Terraformed Mars: What It Would Look Like

Have you ever stopped to think about what the Red Planet would be like if it were terraformed? There are several initiatives underway with the goal of sending humans to Mars, as you may know, and the first manned missions are expected to begin between this decade and the next. There are even plans to establish colonies there. But the Red Planet does not offer what we can call a hospitable environment for humans, if any explorer wants to stay on Martian soil for longer periods, it will be necessary to make some adaptations.

As Erin Carson pointed out in a fascinating article published by the website C|Net, to get an idea, the average temperature on Mars is around – 60°C and, in addition to the planet’s atmosphere being composed mainly of carbon dioxide, it is about 100 times less dense than Earth’s atmosphere. This means that the Martian atmospheric layer, in addition to being extremely thin and toxic to humans, will not offer much protection against radiation from space.

The journey

To become minimally ‘habitable’, Mars would have to go through a process called terraforming – that is, humans would have to alter the planet so that it becomes more like Earth. This would mean finding ways to increase atmospheric pressure and make it more dense and ‘breathable’.

In addition, it would be necessary to produce water, populate the Martian soil with microbes (so that it would be possible to grow food there), find a way to increase the temperature… And how could we do that? Well, there is no shortage of suggestions – some more imaginative and others more realistic. Let’s start with the most radical ones.

How to increase the temperature of Mars?

According to Erin, proposals emerged in the 1990s, such as the construction of giant mirrors on Mars and placing them in orbit around the planet. For what? To reflect more sunlight towards the surface and thus raise the temperature. Another effect predicted by the creators of this alternative would be the melting of the frozen water present in the Martian soil – which would result in the release of carbon dioxide into the atmosphere.

Another suggestion is that factories should be built on the Red Planet with the objective of releasing greenhouse gases into the atmosphere. Yet another way to release greenhouse gases on Mars would be to search for ammonia-rich asteroids – which would have to be captured, transported to the vicinity of Mars and launched on a collision course against the planet in order to introduce this compound into the Martian environment.

And, of course, we could not fail to mention the suggestion made by Elon Musk, a person committed to colonizing Mars, who proposed to explode a portion of nuclear bombs on the planet to melt all the water from the polar caps and release CO2 in large quantities.

The realistic proposals

By now, you may have realized that all of these ideas, while intended to make Mars more hospitable for life, have immense potential to go wrong and have horrendous impacts on the Martian environment.

The fact that there are radical proposals like those mentioned above does not mean that terraforming Mars is impossible or needs to be so dramatic as to change its environment so much. And, if the plan to send manned missions and even to establish colonies on the planet comes to fruition – and everything indicates that this will happen sooner or later – it will be necessary to take measures to make it possible for humans to stay there.

More realistic possibilities, according to Erin, involve using aerogels – a solid material of extremely low density composed of 99% air – in the construction of structures that could be used as a shelter by humans and to serve as a greenhouse for growing food. The colonization process could start with the creation of only basic units, with the number of buildings increasing as needed.

Aerogels could even be used to get around the freezing cold of Mars. After all, studies conducted with this material in situations that replicated the conditions on the Red Planet have pointed out that its use can provide not only thermal insulation, but also increased temperatures, opening the possibility for the development of portable devices that could melt ice to obtain Water.

Furthermore, with advances in bioengineering and nanotechnology, in the coming years, plants capable of surviving in the Martian environment can be developed and produce not only food, but also essential elements for the survival of future colonizers. Maybe CRISPR can do the job.

These options, in addition to being much simpler to devise – as well as much more realistic alternatives – would have an absurdly smaller impact than detonating nuclear bombs, hitting asteroids against the surface of Mars and creating an entire industrial sector to release gases into the atmosphere. In any case, the colonization of Mars is a natural consequence of the exercise of what defines us as human beings: we are explorers, and the Cosmos awaits us.

Should Humans Colonize Mars?

Introduction to the Debate on Mars Colonization

Solar, wind, hydraulic energy are all ways we can get natural resources. However, NASA and several other organizations want to move everybody to a new planet? Since the beginning of history, we have been solving problems. One problem is whether or not humans should colonize Mars. With many factors that go into exploring the red planet, NASA is trying to determine if exploring Mars is a worthwhile endeavor. When determining if humans should explore and colonize Mars, the end result will not be beneficial. In this Mars essay, I will provide the main reasons why humans should not consider colonizing Mars.

Ethical and Financial Concerns of Mars Colonization

The first main reason why humans should not colonize Mars is that there are many other ways to solve ethical earth problems. Going to Mars would cost a large amount of money in which we do not have a surplus of. It is estimated that a trip to Mars would cost approximately $100 billion US dollars (Bazaka). With many families complaining about low funds and high taxes, NASA is spending billions on a trip to Mars which may not even be beneficial with many risks of the journey not being successful. Earth has many issues going on in the world, such as global warming due to air pollution from factories, polluted oceans, and overuse of non-renewable resources. Even though there is a good share of the money being put into helping the earth, there is much more that can be used to put into preserving it. While not all problems can be solved, there are many that have a problem solution fix that would prevent us from ever needing to go to Mars. The first example of how we can fix some of the earth’s problems is to spend more money on renewable resources. An idea on Mars is to use solar panels to colonize it, while the large portion of Earth does not use it. On Earth, we can use hydraulic energy by harnessing water to create energy which is something you can’t do on Mars with the lack of H2O. Some other problems you can solve include taking the garbage in oceans and landfills by turning them into biomass to create energy. That is another use of resources that we can use to make our lives better without having to go to another planet. By using the resources you can reduce the amount of CO2 in the atmosphere lowering the global temperature. Our resources will never need to run out as well. Author, cosmologist and astrophysicist Martin Rees makes a point when he states, “We’ve got to solve these problems here. Coping with climate change may seem daunting, but it’s a doddle compared to terraforming Mars. No place in our solar system offers an environment even as clement as the Antarctic or the top of Everest. There’s no ‘Planet B’ for ordinary risk-averse people” (Dvorsky).

Health Risks and Challenges in the Martian Environment

The Second main reason why humans should not colonize Mars is that your bodies will not be able to survive. The first piece of evidence behind the negative effects on humans is regarding the extremely low air pressure. On Mars, the average air pressure is 6-7 millibars, while on earth, the average air pressure is 1012 millibars (Sharp). For reference, the lowest ever pressure from a hurricane in the Atlantic was Wilma back in 2005 which reached its lowest at 882mb and was a category five hurricane (“Hurricane Season 2005”). If you were to live in an environment with low air pressure, you could develop a ruptured lung, swollen skin and body tissue as well as death if exposed to it long enough. While this may not be a problem with a spacesuit, this would be very arduous to live with and will lead to many other problems (Dvorsky). Another big problem due to the low atmospheric pressure is a high large amount of solar radiation and cosmic rays that come into contact with Mars (Lewis). Even with protective gear, the extremely thin atmosphere still leaves you with a high risk of cancer, damage to the central nervous system, which could potentially alter your brain and nervous system functions. High radiation could also lead to vomiting, anorexia, fatigue, cataract, and circulatory diseases (Brabaw). Another problem due to the low air pressure is that while wearing protective suits are a great thing, they can also be a bad thing as well. According to Neurologist Rachael Seidler from the University of Florida, “there are a lot of potential negative physiological consequences.” Most people who have to live in artificial habitats or underground tend to have very little connectivity with the outside world (Dvorsky). In a study done by NASA’s human research program, people who spent time in these environments experienced a decline in mood, cognition, morale and interpersonal relationships (Brabaw). Some other symptoms include high blood pressure and an inability to concentrate. All of these impacts would make it very difficult to survive for centuries on end without genetic adaptation (Dvorsky).

The Impact of Mars’ Gravity on Human Health and Reproduction

While you could technically survive with low air pressure, nothing can be done about the gravitational pull of Mars. On Mars, gravity is 37.5% of Earth. The low gravity can cause many issues on health and fertility (Dvorsky). When regarding the health issues of low gravity with so many changes in the amount of gravity you experience through the journey to Mars. One type of gravity is the normal levels on earth, zero gravity in space and low gravity on Mars. After being in space for a very long time, you will develop bad hand-to-eye coordination, poor balance and very little sense of movement in space. Coupled with the issues caused by the effects of radiation and confinement, humans would have a hard time communicating and moving (Brabaw). The brain makeup of neurons and fluids in humans also change due to the low gravity in which we have very little research beyond a year. Moving beyond the psychological issues, humans may have physical complications. Astronauts that participated in missions lasting a year said that they had a decreased amount of bone and muscle mass. They also developed heart problems, immune disorders as well as problems related to the astronaut’s metabolism. Some of the issues can be solved by exercising, but even then that would be very difficult to do so with colonists constantly solving problems. The final but major issue relating to gravity is the potential for issues with reproduction and fertility. To survive and colonize Mars, one of the main purposes would be to re-populate the earth. Typically radiation reads to high chances of infertility which would slow the exponential growth of the population. Secondly, while carrying the baby, the child would be further up in the mother’s stomach due to the low gravity, potentially harming the mother. The low gravity may also play a role in impacting the baby’s key development while growing in the mother’s stomach, which could harm it. We also don’t know how gravity would sustain a gentle baby’s body due to its low tolerance to the Mars atmosphere (Dvorsky).

Resource Limitations and Environmental Challenges on Mars

The Third main reason behind why we shouldn’t colonize Mars is because the environment and supplies are not nearly sustainable as on earth. On Mars, due to the far distance away from the sun and the low air pressure, Mars is extremely cold. On average, Mars reaches a frigid -80°f but it can down to -195°f at the lowest (Sharp). For reference, to get hypothermia on earth meaning that it gains heat faster than it can lose it, the temperature needs to be at -40°f for five to seven minutes. This can be very dangerous and a large problem, especially if humans want to grow crops throughout a large area. If humans were to mass migrate to Mars due to a disaster, due to the cold temperatures and extremely low air pressure, most of the human race would not survive with such a high demand for suits (Dvorsky). What would happen when children were born and there were no suits left? It would be very difficult to get a supply probe up to space. If a group of people was to manufacture suits in space, that would also be challenging since most engineers would be on earth. There probably wouldn’t be factories or materials for it to be made either. Other essentials such as medicine, robotics, and electronic systems would likely not be there in demand as well (Bazaka). To continue with resources, it would be extremely difficult to grow foods on Mars. While you can colonize it with domes and grow foods within it, the high amount of solar radiation would prevent plants from growing. Also, Martian soil is very toxic which contains perchlorate chemicals so growing in the outside world would be near impossible. Furthermore, you couldn’t even grow plants without genetically modifying them in the first place so that it can survive several other elements (Dvorsky). Another reason the environment would be extremely unstable is because of the dust devils that develop on Mars. Even though Mars has little atmospheric pressure, it still has enough to create wind.

It is theorized that with the high radiation, any dust caught in the air will gain heat and momentum leading to some of the biggest dust storms in the galaxy, potentially lasting several months. This is furthermore dangerous because the leading energy source would most likely be of solar energy. With a dust storm, the powering of equipment would be dangerously low (Sharp). You may say that since Mars has CO2 in the atmosphere, we can configure the surface and raise the air pressure enough for humans to travel without spacesuits through something called terraforming. While it is true that if we were to create an oxygenator-like device for a small centralized habitat, it may not be true for the entire planet. Chris Mckay at NASA’s Ames Research Center says, “If there is enough carbon dioxide, we could warm up Mars in 100 years once we start. We know how to warm up a planet – we’re doing it on Earth. The fundamental question is, is there enough stuff?” That question was answered in a research paper done by Bruce Jakowski at the University of Colorado and Christopher Edwards at Northern Arizona University in which the answer is no. In the study, the duo tried to find how much CO2 is on Mars using several spacecraft. They set out to see if all of the CO2 was released from the ice caps if it were to stabilize the atmosphere enough to thicken it. Since the pressure is about six millibars, to be able to breathe, we need roughly one bar of atmospheric pressure or 1000 millibars. After the study was completed, the team concluded that there was only enough CO2 to raise the pressure to 26 millibars, roughly three percent of 1000 they needed. Even if there were enough CO2, it would have taken centuries to build the correct amount of oxygen to support life without breathing with an oxygen mask (Crane).

Conclusion: Weighing the Pros and Cons of Mars Colonization

Most folks would agree that there is a lot still left to learn about Mars. However, from what we do know, most evidence points towards colonizing the red planet being dangerous and risky in which we can use for many other resources. Mars also has an atmosphere that would be difficult not just to colonize but for the human body to survive and stay healthy. While on Earth there are still many problems we are yet to solve, the problems resulting in colonizing Mars would be much bigger.

Works Cited

  1. Dvorsky, George. “Humans Will Never Colonize Mars.” Gizmodo. 30 July 2020, gizmodo.com/humans-will-never-colonize-mars-1836316222
  2. Levchenko, Igor, et al. “Mars Colonization: Beyond Getting There.” Global Challenges, Volume 3. 25 October 2018, Wiley Online Library.
  3. Lewis, Owen. “Should We Colonize Mars? The Fate of Humanity May One Day Depend on It.” Quillette, 3 February 2020, quillette.com/2020/02/03/should-we-colonize-mars-the-fate-of-humanity-may-one-day-depend-on-it/, 3 April 2020.
  4. Crane, Leah. “Terraforming Mars might be impossible due to the lack of carbon dioxide.” NewScientist, 30 July 2018, www.newscientist.com/article/2175414-terraforming-mars-might-be-impossible-due-to-a-lack-of-carbon-dioxide/
  5. Sharp, Tim. “Mars’ Atmosphere: Composition, Climate & Weather.” Space.com, 12 Sept. 2017, www.space.com/16903-mars-atmosphere-climate-weather.html, 3 April 2020.
  6. “Hurricane Season 2005: Wilma.” NASA.gov, 27 October 2005, www.nasa.gov/vision/earth/lookingatearth/h2005_wilma.html, 3 April 2020.
  7. Brabaw, Kasandra. “From Radiation to Isolation: 5 Big Risks for Mars Astronauts (Videos).” Space.com, 7 January 2020, www.space.com/42918-big-space-risks-mars-astronauts-videos.html, 3 April 2020.

Why Is Mars Considered To Be A Second Earth?

Mars is the next Earth. We have a lot of work to get it there, though. Mars climate is terrible and devastating. One word that describes Mars is freezing. In the summer on a warm day, the temperature may not be warmer than -20 degrees Celsius. However in the same season in the southern hemisphere temperatures can be up to 30 degrees Celsius warmer. These temperature swings between the southern and northern hemisphere can cause enormous dust storms. Some dust storms only influence small area while other dust storms can affect the whole planet! The enormous storms are usually formed when Mars is at its closest position to the sun.

Scientists can’t see the planet’s surface at all when an enormous dust storm has been caused. Most scientists think that Mars has not always had this extreme climate. Evidence tells us that, much like Earth, Mars has had warmer and colder periods over time. However, what can we not solve with what we wear? To go outside on Mars you need to wear a specifically designed spacesuit to survive Mars conditions. The atmosphere is mostly made of carbon dioxide and the temperatures can be extreme, sometimes the temperature is as low as -140 degrees Celsius which is -284 degrees Fahrenheit. The spacesuit will also need to protect you against solar radiation because, unlike Earth’s magnetic field, Mars magnetic field is not strong enough to protect you against solar radiation (energy constantly being produced by the sun and that can harm humans). The protective spacesuit will also need to be strong and durable enough to protect you against the micrometeorites “attacking” the suit. Nevertheless, what do we actually need to survive on Mars? We need water, air, and food if we what to create a real society on Mars. It would be too much to bring it all the way from Earth. There is water on Mars in the form of ice and liquid salty flowing water. Actually, we can drink the water on Mars. However, first, we need to find the source of the water or somehow remove the salt (perchlorate), which fills Mars soil, to get pure, drinkable water. Foods not impossible either, at least NASA thinks so. There are many different nutrients that plants need to survive these include: Oxygen, Carbon, Hydrogen, Nitrogen, Potassium, Phosphorus, Calcium, Magnesium, Sulfur, Iron, Manganese, Zinc, Copper, Molybdenum, Boron and Chlorine. Mars soil has all of these nutrients. So it is possible to grow food on mars but to do that we would need to take the salt (percolates) out of the soil and maybe put in some fertilizers in the soil. We would also need the make the plants grow inside because they need another kind of air.

Now, what about air? Mars has an atmosphere but it is around 100 times thinner than Earth’s atmosphere. Mars atmosphere does not include much oxygen but consists mostly of carbon dioxide. Therefore an astronaut would need to wear oxygen tanks when doing something outside. On Mars now we bring oxygen from Earth with us to Mars which we use to breathe with there. So how Earth-like is Mars really? Well, Mars does have seasons. Mars experiences all of our four seasons: Summer, Autumn, Winter and Spring. Since Mars years are longer than Earth years Mars also experiences longer seasons than we do. One Mars year is almost 2 Earth years, to be exact one Mars year is 1.88 Earth years which is 687 days on Earth. Mars year is longer, and Mars has a more peculiar orbit than earth, different seasons have different lengths, and the seasons are not even the same lengths in the different hemispheres. This is how the seasons are in length in the northern hemisphere of Mars: Summer is 6 months, Autumn is 5.3 months, Winter is just over 4 months and Spring is 7 months. All of Mars seasons are very cold, even in the Summer! On a warm day the temperature could be around -20 degrees Celsius, -4 degrees Fahrenheit. Scientific research has also told us that Mars had a different axial tilt long ago. Therefore Mars did not experience the same seasons a long time ago and may not experience the same seasons in the future.

Mars also has gravity. There is gravity on Mars but less than there is on Earth. Mars gravity is 3.711 m/s² while Earth’s gravity is 9.807 m/s². Mars has less gravity so can things float on Mars? The answer is no. Mars may have less gravity than Earth but things do not float on Mars. The gravity is still strong enough to keep the planet together and to keep things on the ground. This far Mars seems pretty Earth-like. What do we use every day and is something that is an important part of our daily lives? Vehicles and transportation. On Earth, we have different kinds of vehicles depending on what we are doing with them, if we a going a few blocks, going on a long trip or if you need to go somewhere quickly. We can use different vehicles like bicycles, cars, and airplanes. It is important to have different vehicles for different purposes on Mars too. To have proper, Earth-like transportation on Mars we need to make at least three different vehicles for different purposes: a) for working, b) for short, fast rides and c) for long rides.

On Mars, we would need something that would represent basically tractors and other work vehicles. For these vehicles you would need comfort so you can sit all day and work in the vehicle, however, the vehicle would not need to be able to somebody alive for weeks like the long ride vehicle would need to be able to do. There hasn’t been put in much research into this yet since the general concept of exploration is explore first then build and deal with other problems later so it isn’t clear what vehicle will be performing these tasks yet. However, research is being made and there are already a few options for what will become tractors of Mars.

The answer is ATV’s. ATV’s are fast and perfect for short, quick rides. They cannot sustain you for long but that wouldn’t be needed on short, quick rides. They are simply perfect for the job. However, since there is not a lot of oxygen in the Mars atmosphere you would need to supply some oxygen for the engine to work properly.

The iconic pressurized rover. On long trips, we would need a vehicle that could keep you alive for a pretty long time. The iconic pressurized rover is perfect for the task. NASA’s SEV, which is short for Space Exploration Vehicle, has been made to be used almost everywhere. Its pressurized cabin can be used in both space and surface missions. It can drive around 10 km/h in any direction! With sleeping and sanitary facilities (bathrooms), it can take care of 2 astronauts for up to 14 days which is 2 weeks!

We should also think about air travel. NASA has already started research on a flying wing prototype named the Preliminary Research Aerodynamics Design to Land on Mars or if you rather want a short name Prandtl-m.

What about the way to Mars? What about the way back to Earth? What about on Mars? Exercise. Exercise is the way to go. It is very important to exercise on Mars. This is because Mars has a lower gravitational pull than Earth. Our muscles have adapted to living on Earth so on Mars, our muscles wouldn’t be needed as much and your body will think “Hey I don’t need this so much anymore” and your muscles will start to deteriorate. This is a problem because when you are back on Earth you would need these muscles again and if they have deteriorated you would need to work very hard to get back your strength and it would become much, much harder to walk with Earth’s gravity. On the way to Mars, in space, you could lose up to 20% of your muscle mass each month! Mostly in your lower muscles (the back of your legs, the spinal muscles and the calves). Your bones also lose around 1% of tissue each month. Your body can even extend by 70mm since earth’s gravity isn’t constantly pulling it down, compressing it. This can cause pain but on the bright side, it is good if you want to be taller. However, when back on Earth again your extended spine can cause problems when the disks between the vertebrae get under pressure again and the vertebrae are more fragile because of the decalcification. On the International Space Station astronauts deal with this by exercising around 2 hours per day. However since Mars has some gravity, unlike space, these numbers are not as drastic but the same thing happens to your body but not as quickly.

I still believe that Mars is the new and next Earth but we still have a lot of work ahead of us to get there. However, we are slowly moving forward and making our way to society on Mars!

The Obstacles To Overcome On Mars For Habitat

Mars can be considered the future of Earth. Humans have been slowly destroying the Earth with bad habits created over time like trash pollution and global warming. Pollution is accumulating all around the world and many things like global warming is worsening, as a result, Earth may become uninhabitable. Earth will not survive if treated so horribly. People need to start living on Mars so humans can have a new start once Earth is destroyed. Humans can make Mars similar to Earth with the new technology being created.

There are many obstacles on Mars that need to be overcome before humans can start their new life there because, over the course of 500 million years, Mars went from being a warm, wet, and safe environment to the cold, uninhabitable place we know today. The many problems needed to be solved within the shelter are the atmosphere on Mars, which is about 1% the density that it is on Earth, most of the air is carbon dioxide, unbreathable by humans, acquiring food, creating water, and the constant barrage of cosmic radiation, without a solution to these problems, settlers on Mars wouldn’t last very long. The Mars habitat is located in the depths of Valles Marineris. It is often called the Grand Canyon of Mars. This is a very deep gulf that stretches 4,000 km along the Martian Equator and about 8 km deep in many places. Landing my spacecraft in this location with many jagged areas and fierce canyon winds would be a great challenge, but it will be very worth it, in the end. Temperatures in the daytime can become about 32° F compared to the normal high temperature of minus 14 degrees Fahrenheit.

Another reason I choose to place my habitat in the Depths of Valles Marineris is that there is evidence that there are still spring-like deposits running beneath the deep canyon, where we could collect the groundwater to use in the habitat. This makes it a very good candidate for sourcing water and an ideal area to search for microbial life. Its low altitude makes for a denser atmosphere, which means better radiation shielding. On Mars, 25 small 3D-printed homes will be set up by robots before the first humans ever arrive on the Red Planet so humans won’t be tasked with the very dangerous mission. There will be four separate rooms for each person to sleep in and one bathroom in each home. To prevent complications humans will face with the low air pressure, the habitat will be pressurized to near sea level pressure, which will make breathing in the habitat about the same as breathing at sea level on Earth. It is essentially a perfect home with a layer equipped with big pockets that hold large amounts of water, which freezes to create a protective icy surface on the outside of the habitat.

The water will turn into ice, due to the freezing temperature of Mars. However, the four people inside each house will be warm, from the morning through the night because inside each house, there is ventilation and insulation that protect all the inhabitants from the cold and bad atmosphere. This way of keeping the inhabitants warm is better than terraforming the planet because if messed up, the humans could alter the planet that it can never be terraformed again in such a simple way. It would be better to use the houses for warmth until space programs find a way to terraform Mars without a large chance of failing. The method used around the houses, pockets filled with water that freezes serves a number of purposes; first, the translucent nature of ice means that Martian settlers will be able to get natural light, an impossibility in the other proposed ideas, for example, where astronauts live underground to protect from radiation. Most importantly, ice has the perfect atomic structure to block the cosmic radiation in the form of particles, which are primarily made up of protons. The single proton in the hydrogen atoms is the perfect shield against radiation, as those single-proton cosmic rays will bang directly into the tightly-knit protons of hydrogen and bounce off, keeping those inside safe from the deadly radiation. The 25, small, protective, and circular structures are extended to all community spaces, dining quarters, and gardens through tubes. The entire colony gets together to eat their meals together after exercising, playing, gardening, or talking in the community spaces. In the habitat, there will be waste management for trash and recycling.

There is not going to be trash in the habitat because everything will be repurposed or recycled. There is also waste management for human feces and food waste because some people will specialize in ecological sanitation, a process that transforms human waste into a safe and nutrient-rich agricultural product that becomes an eco-friendly fertilizer for all of the gardens. The vegetables and food waste will also be in the soil with the human feces to create the best soil for the crops growing in the habitat. With the homes and community space, the Mars habitat will be an interconnected network of radiation-free pods where the atmosphere is generated, meaning that colonists who go to live on Mars could actually live their lives without wearing a spacesuit everywhere. Food and water are a major necessity for humans. Food provides nutrients, substances that produce: energy for many things like, growth and all functions of the body. Without a healthy amount of food, the people who go to Mars will starve there. The minimum number of calories a woman should eat is 1,200 per day, and men need at least 1,800 calories a day.

There will be three meals every day for each person with about 400 to 600 calories for each meal. When the astronauts land on Mars, there will be storable and dehydrated food from Earth waiting for them to use. However, the storable food from Earth will only serve as emergency rations, which means the astronauts will try to eat as much fresh food that they produce on Mars. Any plant production surplus will also be stored as emergency rations. There will always be enough emergency rations in storage, locally produced or from Earth, to survive until the next supply mission comes. In the Mars Habitat, there will be multiple gardens supplying food and oxygen. However, the crops cannot be planted in the soil if it is left in the original state. Martian soil is toxic because there are high concentrations of perchlorate compounds containing chlorine all around Mars. The soil will be detoxified by washing out perchlorate to cleanse the soil and eliminate toxic wastewater so the water can be recycled. One thing that will be planted in the big gardens is potatoes.

Potatoes are packed with a healthy mixture of vitamins and minerals such as magnesium, potassium, and vitamins B6 and C. Potatoes are also very good to plant because people can cut some of the already grown potatoes and put them in the soil to create enough to feed the entire colony without needing to waste space and bring potato tubers. Peas, rye, and tomatoes will also be in the gardens because they have many health benefits and have been tested by scientists in NASA to be able to grow successfully with Mars soil. Food production will occur indoor to keep the plants free from radiation, and away from the harsh temperatures outside. Although the plants are indoors, they will still be able to complete photosynthesis because the sunlight could come through the ice pockets, the soil will be nutrient-rich from the human feces and compost made of uneaten vegetables, and they will be watered regularly. CO2 for the plants are available as the inhabitants inhale and exhale, in return the people in the habitat can get oxygen. However, in case the plants need more sunlight there will be artificial lighting inside. There are solar panels outside of the habitat for the artificial light in the gardens, light in homes at night, and for machines.

This plan to grow vegetables on the Red Planet should accomplish the desired result of feeding all 100 people inhabiting Mars because research of the Wageningen scientists have successfully demonstrated that “… crops are able to grow quite well on Mars and moon soil simulant if organic matter is added to the soils” (Wageningen University and Research Centre). Although food is very important in the survival of humans, water is considered an essential ingredient to life, more important than food. “A human can go without food for about three weeks but would typically only last three to four days without water” (Spector) About 60% 0f human bodies consist of water. Humans need water for circulation, respiration, and converting food to energy. After oxygen, water is the body’s most important nutrient. Quite simply, you need water to live. Your body loses water constantly through sweat, urine, and even breathing. You must replace the water your body loses for your organs to continue to work properly. Dehydration occurs when your body doesn’t have enough water because you’re losing more water than you’re taking in. In extreme heat or very cold environments, like Mars humans can get easily dehydrated. Very cold environments cannot hold much moisture, it dehydrates bodies with every breath taken.

The minimum amount of water for an ‘average’ person to survive, has been estimated to be approximately 3 liters per day. For the 100 people to survive in the Mars habitat, there needs to be at least 300 liters of water made per day, not including the water needed for the gardens, toilets, and showers. The habitat in the depths of Valles Marineris will have a lot of water surrounding it. On Mars, it may seem like there is no water and people may have to make it or bring it from Earth in order to survive but there is so much water on Mars. In fact, Stephen Petranek, the author of “How We’ll Live on Mars” said “There is so much water in the form of ice that if it were to all melt at once the entire planet would be a thousand feet deep in water” (Petranek). This water can be melted and recycled with the technology that has already been created.The water will be cleaned and treated with chemicals indoors after it is collected from the ice tables below a layer of dry regolith in Valles Marineris. Anything needed to be done outside of the habitat would be done by robots that can handle all of the harsh conditions outside. The water from showers and sinks can also be recycled so the supply of water on Mars would only decrease a small amount. There will be more than enough water for all 100 people to drink the recommended amount every day. Food and water are essential to life on Mars, if there was not a way to acquire food and create water, it would not be possible for any life on Mars. The dream of a Martian Colony is getting closer and closer by resolving each problem one by one.

The Current atmosphere on Mars is very harsh compared to Earth’s. Mars has a 100 times thinner atmosphere compared to Mars. Mars’ atmosphere does not protect the planet from the Sun’s radiation, does not retain heat at the surface, nor have the gases so humans and animals can breathe. The atmosphere consists of 95% carbon dioxide, 3% nitrogen, 1.6% argon, and the remainder is very small amounts of oxygen, water vapor, and other gases. With this atmosphere, everyone will die within two minutes, without a spacesuit or a shelter. Humans need oxygen in order to breath but in Mars’ atmosphere, there is mostly carbon dioxide. Also, the atmosphere is constantly filled with small particles of dust, mostly iron oxide which give Mars its reddish hue. Mars’s surface conditions and past presence of water make it arguably the most hospitable planet in the Solar System besides Earth. This may be the best planet for humans after Earth becomes uninhabitable. Although every design makes the inhabitants’ life more comfortable and easier, Mars will never be the same as Earth. There is so much life on Earth with thriving and diverse plants and animals. However, at the rate people are ruining Earth, humans may need another planet to live on. With time, there will be new inventions and ideas that can eventually lead to Mars becoming more habitable for humans, plants, and animals.

The atmosphere inside the habitat has oxygen, carbon dioxide, water vapor, and nitrogen. The atmosphere has these gases so plants can take the carbon dioxide the inhabitants exhale and humans can breathe with the oxygen the crops produce. Nitrogen is also in the atmosphere and plays a vital role for plants because it is a major component of chlorophyll. It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die eventually leading to the inhabitants running out of oxygen and fresh food. Inside the habitat, the atmosphere is already controlled. Outside, all around Mars, the atmosphere will remain the same. The inhabitant won’t ever go outside unless they have a spacesuit on with oxygen and protects them from the harsh environment. These will have to be made on Earth with very special care so there are no mistakes that lead to the death of whoever is wearing it.

Advantages And Disadvantages Of Moving To Mars

Have you ever wondered what it would be like to live on another planet? Well science is just starting to maybe make your dreams come true. However, there is a debate about whether or not we should colonize mars. In my opinion I believe we should, the advantages of colonizing a new planet could be unimaginable. In this Mars essay example I will give you the three main advantages of moving to mars is the relief of the problem of global warming, overpopulation, and the demise of earth in case of a larger scale meteor attack, or any cosmic danger.

One key aspect of moving to mars would be the remodel of a planet like earth. With speculations of the earth’s global warming and steven hawkings chilling prediction about how we have gone past a line of return regarding global warming, it would be of our best interests to colonize another planet similar to earth. If something were to happen to our green planet concerning the heat, we would ultimately pass as a species, but what makes us different from other life forms is our abilities for imagination, and adapting technology to surpass risk, and open more options. Another compelling reason to go to mars is the cosmic danger. If the earth were to be threatened by a meteor/ asteroid we would have nowhere to go, and we don’t have the technology to stop a planet sized space rock. So if we were to colonize mars, even if the population on earth would dissipate our life form would thrive on mars.

Another main reason to commit to going to mars is, the growing population on earth. In the early 1900s the population census on earth was roughly 1.6 billion but a matter of 118 years the growth has skyrocketed to 7.53 billion humans roaming the earth. With many speculations of world renown scientists such as Stephen Hawking (who recently passed on March 14th, 2018) about how it may be earth’s demise. Their predictions can be backed with many mathematic equations and population growth charts. Another aspect to consider is the danger of sun. Since we are closer the sun than mars, if the sun were to slowly grow larger and start to make the planet uninhabitable, we would need to leave. But if we didn’t colonize another planet we would be stuck on earth to either starve or bake to death

Although the claims for the mission planned by SpaceX founded by Elon Musk, a very talented engineer, there are also many claims against his idea. One of them is the cost factor. Sending humans to the moon alone was very costly, and with the growing debt in america and our allies, we really don’t have the money to spend on theoretical decision, and spending the money on sometimes seemingless technology could affect our already damaged economy. Another reason to not send humans to colonize mars is, the danger. The danger alone in just constructing the rocket is nerve racking, let alone the launch which has proved in the past with unmanned rockets to sometimes end with a catastrophe.

In conclusion the pros of sending humans to colonize another planet supersedes the cons of not. If the planet were to be in danger with overpopulation, a death from sun radiation, meteors, or global warming we would need a place to go, and the most considered option would be to move to mars, a planet that was once just like earth, and might have had other life forms, but that’s a talk for another day.

Building Habitable Colonies On Mars: Uncovering New Frontiers

There are a lot of factors that have forced mankind to think that they would have to leave their home planet one day and find solace on another. One of those major causes is us, ourselves. We have been a major cause to the depreciating living conditions on planet Earth, but we do need to survive and go ahead into the future, therefore, we have been searching far and wide in space for alternative planets like our home. As of now, we have our eyes set on Mars aka The Red Planet. It has a climate which we can control and make it more suitable for us. It has frozen water and a Carbon dioxide plus Nitrogen rich environment, which is good for the growth of small edible microorganisms. That solves a little bit of the food problem we would have, if we go to live on mars in the future.

The future is still a little far off. So, let’s see what is happening right now to make that future possible. It is common knowledge that sending astronauts to Mars and then keeping them safe and alive is no easy feat to achieve. There are so many hurdles and one of them is to build a shelter with enough oxygen and food rations to provide for the people living there because shipping the basic amenities from Earth will be very expensive and to be exact, it will be$300,000 per kilogram, on top of that they will take 6 months to reach Mars which is unreasonable. Therefore, the astronauts will have to grow food on the Martian soil itself, which is where we find another problem that is anything that will grow on Martian soil will be toxic to human and animals, but we do have a solution for that as of now. Cyanobacteria or algae can be used as a renewable source of food they are very safe to eat and have been eaten by the humans since the 1970s as a supplement. But we won’t only survive on microbes so we’ll have to grow our own food. Then we’ll need to 3D print our shelters/houses for which we’ll need large sized printers. The above two examples are only few of the problems that we might face. (epicenter, 2017)

To solve these problems, huge companies like SpaceX, The Boring Company and Synthetic Biology Australia have been continuously working and innovating to come up with creative solutions and one of those is a new up-coming technology, it’s called Synthetic biology, with it we will be able to make our lives much easier in the Martian environment. Synbio is all about reprogramming micro-organisms, for example bacteria, to get better or different uses out of them. Using synbio we can simply develop biological solutions for many of the problems our astronauts will need to solve on Mars.

In an ongoing address on Mars colonization, Elon Musk, CEO of SpaceX and Tesla Motors stated, ‘I imagine that Mars is going to be an incredible spot to go. It will be the planet of chance.’ Mankind’s first mission to Mars is getting nearer and nearer — SpaceX would like to arrive by 2022. Extraterrestrial colonization is a test worth ascending to, yet getting to Mars is just a little piece of the condition. The more concerning issue to unravel is in what manner will we endure once we arrive? In principle, getting by on Mars will be conceivable – and gratitude to an intensity of ongoing exploration, a significant number of the difficulties we will face might be helped by built natural frameworks. It’s time we talk about manufactured science in space! (Musk, 2017)

It sounds self-evident, yet one of the primary difficulties behind any space travel is keeping the space explorers alive so far from Earth and its assets. At the point when the primary Mars space travelers land, all they will discover is residue and rocks, and possibly some water. All that they have to endure should be conveyed with them to the red planet. In any case, it’s not as basic as pressing everything. Transporting anything to Mars will cost about $300,000 per kilogram, so decreasing the heaviness of the heap is the contrast between Mars being monetarily attainable, or only a dream land.

A major problem will be acquiring food on mars. At present we have a make shift solution which consists of the early inhabitants of Mars to eat algae and cyanobacteria. These are microorganisms that can grow in the Martian environment, which consists 95.32% Carbon dioxide and 2.7% Nitrogen. These are the ideal conditions for these microbes, on top of that a partial good news is that, this kind of an environment also promotes the growth of other normal plants too, so we can have other kinds of fruits and vegetables too, but here is the bad part of the news is that anything that grows on the Martian soil will be toxic for us humans and animals.

Another problem that we would face on The Red Planet, is where would we live? As Mar’s environment does not have oxygen therefore it will also not have an Ozone Layer, like Earth does to protect us from the harmful UV rays of the sun. So making a dome on the surface of mars will be very expensive and we’d still get sunburnt. Therefore, alternatives are being thought about and going to other planets does not make sense, for example Venus earlier was thought to have potential but, its closer to the sun and bound to be hotter. Jupiter’s moon is a good option as it has an atmosphere suitable for us but, it’s too far away for us to reach just yet.

Mars for us is a prime alternative to Earth. Here are characteristic differences (Musk, 2017):

When the astronauts move out beyond shelters, eventually all the rations will run out and transporting food ration every time to Mars would not make sense, on top of that every shipment will take 3 to 6 months to reach Mars. Therefore, our initial inhabitants of Mars would have to become green thumbed farmers, be self-sufficient and make food for themselves. Anything that would be grown on the soil of mars would be toxic for humans but microbes can grow and as by-product produce oxygen to replenish the air with that gas.

The solution right now is called Synthetic Biology or Synbio for short. As said above, it is all about reprogramming the DNA. It allows scientists to create and recombine modular DNA parts that snap together like LEGO bricks. When combined, they can encode useful cellular functions, like degradation pathways or chemical synthesis.

As engineered microbes can reproduce themselves so easily, transporting them to Mars will be very easy is small tubes in frozen condition, making them the perfect candidate for light weight resources on a space mission. Coming back to Synbio, using these methods we could increase the level of nutritional value in these organisms and then experiment with different flavors. With it we could even generate medicines and other necessities like vitamins, essential amino acids and more. If we want to mitigate the toxins in the soil of Mars, that can also be done with the help of Synbio. In order to grow anything in Martian soil, we need to remove perchlorates before they bio-accumulate in crops. Luckily, Dechloromonas aromatica is a harmless bacteria that is able to degrade these compounds, though unfortunately it is incredibly slow-growing. Instead, by introducing the perchlorate-degrading genes into faster-growing bacteria, yeast, or the roots of plants, we would be able to detoxify some of the soil (with much more on this topic in our previous blog) and start growing crops that are edible. Dutch researchers have even prepared a dinner from vegetables grown on simulated Martian soil to prove it is, in theory, possible to grow crops on Mars. (epicenter, 2017)

During the whole trip, there is a high chance that any of our astronauts can fall sick. A doctor would obviously be present on the team but stocking all types of medicines is difficult and sometimes impossible. Synbio can help here to, many of the medicines we use are naturally produced by a bacterium, fungus or plant, or are based on such compounds. Synthetic biology could help develop just a handful of species that can produce them all. To become useful micro-pharmacists, we could equip bacterial strains with a number of existing genetic pathways that encode the complex medicinal compounds.

In case of our living situation on Mars, The Boring Company by Elon Musk has been up with ideas and are working on making colonies under the surface of Mars. The whole idea here is not make a huge glass dome with a city inside which is shown in most type of space movies, no, it is more on the side of practicality that this idea was thought about. If an underground colony is built, then we won’t have to worry about the harmful UV rays that penetrates the Martian atmosphere as it has no Ozone layer and that stands as a huge problem.

An underground colony, will easily be able to avoid all these problems. It will be easier to control the light and the climate underground. If we are underground, we can also be tension free about the asteroids that fall on Mar’s surface time to time.

All in all Synbio Australia and The Boring Company have been having a go at these ideas for a new world. They have been constantly innovating and been coming up with new ideas which would make our living in this new Martian environment a bit more easy. Stay up to date with what all these companies are doing to make a habitable future on the Red Planet by reading up on these topics with the help of the references. Come up with new and unique ideas to help make a better future.

What Is Needed For Colonization Of Mars?

Introduction

With the Earths ever expanding population, the thought of colonisation of other planets has been in the public eye for the last decade. This debate revolves around Mars, the second closest planet to Earth, where there is talk of life being able to prosper. However, with all the hype surrounding this potential colonisation, the question of whether this goal is attainable arises. In this report, I shall discuss how, with current technology, the colonisation of Mars is possible in the near future.

Background on Planet

Mars is the fourth farthest planet from the sun, orbiting at an average distance of 228 million kilometres, or 1.52 AU. It has a rotational period of 24.6 hours and an orbital period of 687 days. Hypotheses supported by evidence from the recent NASA missions to Mars conclude that there was a high chance of life on Mars billions of years ago. However, Mars as it exists today is very different to what it likely was back then. Now, it has a thin atmosphere mainly consisting of carbon dioxide, nitrogen and argon, with small amounts of water vapour and oxygen. Because of this, the atmosphere of Mars does not hold as much heat as Earth’s, the average temperature being -60o C. The surface of Mars is rugged and rocky, mainly being made up of a thin layer of iron oxide, covering basalt. The iron oxide is what gives Mars its red colour. Mars is known for its dust storms, which can sometimes cover the entire planet. However, storms of this scale only happen once every 3 Earth years.

Dust Storms

One potential hazard for humans colonising Mars is the notorious dust storms that are common on the planet. However, from almost a century of data on these dust storms, we can conclude that these storms do not have the force to damage or destroy vital machinery, as the wind speeds only reach maximum speeds of ~97 km/h. For reference, the highest recorded wind speed on Earth was 408 km/h, recorded at Barrow Island, Australia.

Radiation

Another main hazard for astronauts travelling to mars is space radiation. This radiation is naturally occurring, and comes from three main sources, galactic cosmic rays, sun flares and nuclear fuels. Radiation can have serious long-term effects on humans if they are exposed for long periods of time. These effects include increased risk of cancer, infertility, stillbirth or even death. Also, this radiation will not only be experienced during space flight, but also on the surface of Mars. This is because it does not have as much protection to radiation as the Earth. However, some radiation can be shielded almost entirely by just the spacecraft, almost mitigating its effects entirely. Galactic cosmic rays, however, cannot be as easily protected against. One possible way is to use different materials that are better able to protect against radiation. Currently, we are making good progress on researching and developing these materials. Another way to shield against this radiation is a localised magnetic field, or force field, to help protect against this radiation. However, these are not currently feasible to create.

Habitability

The main reason Mars has been the centre of discussion regarding colonisation of another planet, is because it is the most habitable planet in the nearby vicinity to Earth. The other terrestrial planets in our solar system have much harsher conditions in terms of temperature or terrain. Although the temperature on Mars is much harsher than that on Earth, it should not be an issue. Also, the human body will be able to adapt to the lower gravity on Mars. Mars also receives enough sunlight to support solar panels, meaning that it will be much easier to provide energy for machinery. The rotational period of Mars is also similar to that of Earths. Finally, traces of water have been found in the soil of Mars, meaning it could be possible to extract some of that to decrease the amount of water needed from other sources. However, the atmosphere of mars is quite different to that of Earth, although that should be able to be overcome, depending on the technology available.

Life Support Systems

Artificial Atmosphere

Artificial atmospheres used in space exploration and colonisation must be reliable and able to provide enough breathable air for the crew. This includes reusing oxygen and removing carbon dioxide and other particles from the air. Currently aboard the ISS, we are only able to reliably generate ~40 percent of required oxygen. If we were to colonise another planet, this figure would have to significantly increase to guarantee the safety of all astronauts. Currently, carbon dioxide and particle removal can be achieved, however, we are still looking for ways to improve this system.

Water Management

Water is vital for the survival of humans, and as such, a reliable water management system is key for space exploration. Currently aboard the ISS, we can recycle and reuse ~74% of water. However, for a colonisation trip to mars, this number would have to dramatically increase. However, we have been investigating different ways to extract water from the atmosphere or soil of Mars. This would decrease stress on water recycling systems, however, we would still need to improve these systems for the journey to and from in the spacecraft.

Spacesuits

Prototype designs for spacesuits to be worn by astronauts on Mars have been released by NASA, however, they are not currently ready.

Selection and Training

Astronauts are selected based on a few personality attributes:

  • Resilience
  • Adaptable
  • Curious
  • Trustworthy
  • Trusting
  • Creative

They also must be above the age of 18 and must have mastered the basics of communication in the English language.

Training

Crewmembers take part in a three-stage training program. They are first trained to identify and fix technical problems that could occur on a space mission. Some are also trained to identify and treat medical issues. They are then trained for the isolation from friends and family, and the cramped living conditions so that they are mentally prepared for the journey. Finally, they complete training with the rest of their group in simulators, designed to be as realistic as possible.

Group Dynamics

NASA has recently been studying psychology and group dynamics for the possibility of a Mars mission in the future. The studies have shown that between 4 and 7 months into the mission, groups generally begin to break apart. Clear roles within a group are extremely important in building a good team. Without them, people will not know what their role is, and will possibly cause the group to break down. Teams also must know each other well and be able to give and receive information from each other easily.

Cost

The estimated cost for the first manned trip to mars involving four astronauts is 8.4 billion AUD. We can assume that the cost to set up a colony on Mars would be much higher.

Feasibility

I believe that due to rapidly advancing technology, a manned mission to mars will be possible in the near future. However, I do not believe it is feasible to set up a colony on Mars, due to the huge cost. Also, the current life support systems currently at our disposal are not ready to be used on such a large scale.

Bibliography

  1. https://www.universetoday.com/14885/mars-surface/
  2. https://www.space.com/16907-what-is-the-temperature-of-mars.html
  3. https://www.nasa.gov/feature/goddard/the-fact-and-fiction-of-martian-dust-storms
  4. https://nssdc.gsfc.nasa.gov/planetary/factsheet/
  5. https://www.nasa.gov/hrp/5-hazards-of-human-spaceflight
  6. https://helios.gsfc.nasa.gov/gcr.html
  7. https://www.nasa.gov/feature/goddard/real-martians-how-to-protect-astronauts-from-space-radiation-on-mars
  8. https://www.mars-one.com/faq/mission-to-mars/why-mars-and-not-another-planet
  9. http://www.planetary.org/blogs/guest-blogs/2017/20170921-mars-isru-tech.html
  10. https://www.nasa.gov/content/life-support-systems
  11. https://www.space.com/24052-incredible-tech-mining-mars-water.html
  12. https://www.sciencealert.com/nasa-s-released-a-prototype-of-the-spacesuit-astronauts-will-wear-on-mars
  13. https://www.mars-one.com/faq/selection-and-preparation-of-the-astronauts/how-are-the-astronauts-prepared
  14. https://www.mars-one.com/mission/mars-one-astronauts
  15. https://www.psychologicalscience.org/observer/teams-in-space-it-isnt-just-rocket-science
  16. https://www.americaninno.com/austin/team-dynamics-in-nasas-mars-mission-research-lessons-learned/
  17. https://www.mars-one.com/faq/finance-and-feasibility/what-is-mars-ones-mission-budget

Cause and Effect Essay on the Mission to Mars

Introduction:

Do the benefits of space exploration outweigh the risks? Many people believe they do, with the help of space exploration, we can employ the unemployed, boost our economy, and give us somewhere to go if Earth cannot support life any longer. One of the many places in the universe that we could go to is Mars.

More Jobs:

NASA is constantly looking for programmers, technicians, and builders. According to Google Jobs, there are 56 open different positions that different people could qualify for. The US has an unemployment rate of 4%, meaning that many people who are unemployed could end up working for NASA and on the next mission to Mars making the US have a lower unemployment rate.

Education:

According to Universe Today in paragraph 12 the author states “Teaching has a high priority for NASA, so much so that it has flown astronaut educators in space.” Since NASA has such a high priority for education parents would never have to worry about their children being uneducated and not being able to have a job because NASA has such a good view on education.

Scientific Discoveries:

There is also the possibility that we could make many different scientific discoveries, anything from advanced rocket propulsion to the possibility of alien life. According to NASA, the author states “Scientific research founded on data from space is also leading to discoveries with benefits for life on Earth.” This could not only mean that life will be improved for astronauts in space but also for normal people back on Earth. We could have much-improved life on Earth because of the scientific discoveries made on the Moon or Mars.

Somewhere to Go:

Hypothetically what would happen if the Earth became far too polluted? Where would we go? We would have nowhere else to go but Mars. The next great extinction event is coming closer than you think according to IFLScience where the author states “The decline of various animal populations and species loss are occurring at alarming rates on Earth, contributing to the world’s sixth mass extinction” This means that when this next mass extinction occurs we will have to save the few animals that are left and humans with it.

Budget Problems:

Certain people believe that a mission to Mars would be far too expensive, but what about the amazing scientific discoveries to be made, and the next mass extinction approaching? According to qz.com, the author says that a mission to Mars would cost around 220 billion dollars. Although expensive this trip to Mars would propel our country for years to come. Instead of the numbers on the US debt clock growing they will be shrinking.

Conclusion:

We should explore a mission to Mars because of the many benefits that it has such as more jobs, better education, and many discoveries. Although it will be a costly, and boring adventure across the solar system the benefits will always outweigh the risks of space exploration.

Mars Colonization Issues And Solutions

For centuries Humans have considered colonizingor even terraforming Mars. Today we will look at exactly that but insteaddiscuss the issues and challenges with traveling to Mars and forming a colony there. We’ll mainly focus on the issues with creatinga colony there as, in my experience, folks tend to usually only discuss the journey toMars. And I think it’s also really useful to knowwhy we would go there. Most folks know that companies such as NASAand SpaceX aim and have plans to send Humans to Mars in the future, but most don’t understandwhy we want to. So why do we want to go to Mars? Well, for one thing Earth is some day goingto run out of resources and space to live and when we start to realise that, we willhave to come up with new ideas to make room for new space.

Concepts such as Dyson spheres, rotating habitats,ringworlds, and so on will get discussed much more often as they become more and more vital. And so, beginning a colony on Mars is a fantasticsolution to wanting more space and is one reason why we would want to colonize Mars. It’s also an essential step to improve Humansurvival because if all life on Earth was wiped out by a large asteroid, like the dinosaurswere, then a self sustaining colony on Mars would serve as a great backup for Humanity. And we’ve been quite fortunate enough toget a planet as good as Mars; it has about the same length of day as Earth, only an extra40 minutes, and has ice on its surface that we could potentially use in the future, andanyways it’s one of the best and closest options in our solar system: Mercury and Venusare far too hot and the Moon, well the Moon is a pretty good candidate for a colony butisn’t a good candidate for a reason that I’m about to discuss. Since the end of the last century and thiscentury, we have sent many rovers to Mars and they’ve made quite a lot of discoveries.

However, Bill Nye said in an episode of StarTalkRadio that Humanity should focus more on sending Humans to Mars and not robots because Humanscould make discoveries 10,000 times as fast as robots do. Mars is the next logical place to exploreand discover new things, that’s another reason to go there. With some human work on the red planet, thereis a greater chance of finding life there. And now you can see why the Moon isn’t agood candidate for this very reason. Although it’s very unlikely that we’llfind life elsewhere, it is a lot more likely to find life on Mars rather than the Moon. Not only making discoveries, but also justsimply to adventure. Another reason is to inspire future generationsto go even further than the previous. Landing Humans on the Moon inspired futureastronauts, engineers and so on who were in secondary or middle school at that time.

So now that we are familiar with a few reasonson why we want to go Mars, we shall now discuss the issues with forming a civilization there. So here is a list of some of the biggest issueswith colonizing Mars that I could think of.

  1. The radiation Humans would have to deal with.
  2. The gravity there.
  3. The atmosphere there.
  4. Not having enough materials or money.
  5. We are inexperienced.
  6. Time lag.
  7. Some other issues

Firstly, the radiation there. We’re very lucky here on Earth. The earth naturally protects us from radiation,due to its thick and dense atmosphere and magnetic field. The magnetic field deflects most of the solarwind, which would strip away the ozone layer that protects us from harmful radiation, howeversome particles from the solar wind can enter, which in turn is what the aurora is. Most celestial bodies have magnetic fields,however most are not as good as Earth’s. Mars is no exception, although it’s magneticfield is exceptionally weak compared to Earth’s. This is a problem. When astronauts land there and set up a base,they will be constantly bombarded by a lot more radiation than Humans have ever experienced. And not only landing on Mars, but actuallymaking your way there, astronauts will be fully exposed to the radiation as they haveno cover, like we do here on Earth. Of course on the route to Mars, astronautson board the craft could also experience unpredictable radiation bursts, exposing the astronautsto a lot more radiation.

Furthermore, to only get to Mars it takesaround somewhere from 100 days to 300 days and so the astronauts on board are spendingall that time getting bombarded by all this radiation from the sun and from the constantbackground radiation of the Universe, which can have affects such as DNA ionising, cancersforming and organs damaging. So it’ll be a pretty good idea to stop theastronauts from undergoing this radiation. There’s two ways we can do this. First, we could reduce the travel time, bothby choosing the exact right time to leave Earth and the quickest trajectory to get toMars. The ideal time to send the spacecraft withall our astronauts inside is when Mars is the closest point to Earth, which is everytwo years, being at about 55 million kilometres from Earth. Of course you wouldn’t leave Earth as Marsis at its closest point, you’d much rather leaving days before it is, so that your spacecraftmeets Mars at its closest point. Ideally you’d want to travel in a straightline as possible, to reduce the distance the spacecraft is travelling and so using lessfuel.

Travel time also depends on how fast the craftis travelling. How fast the craft is travelling depends onhow much fuel we’re willing to burn. The second way to stop the astronauts fromreceiving as much radiation is to design the spacecraft so that it blocks as much radiationas possible. This just comes down to how engineers designthe craft, and with most of these issues, they are issues that are easily overcame. The most difficult issue that I can see isnot having enough money but we shall discuss that later on. The second issue is the gravity there. Martian gravity is about 38% of the gravityhere on Earth, since Mars has less mass than Earth. So if you weigh 100 pounds on Earth, you wouldweigh only 38 pounds on Mars. The Moon has an even lower gravity of 16.6%of Earth’s gravity. We’ve never had anyone stay on the Moon,or Mars for that matter, for a lengthy amount of time that would enable us to see the effectsof the low gravity there.

The longest anyone has been on the Moon wasthe final mission of NASA’s Apollo program in 1972, where they were on the Moon for alittle over 3 days, while the entire mission took over 12 days. With that being said we do have fairly goodguesses on what would happen, based on the effects that astronauts on the InternationalSpace Station experience. Ever since the first astronauts went up tothe Space Station NASA discovered that, due to the low gravity, the body works a lot less,causing muscle deterioration and loss of bone density. To solve this, astronauts need to regularlyexercise and on average they do this two hours a day. However, to tackle this we could create artificialgravity. This way it would be just like on Earth andthe astronauts wouldn’t need to do exercise, which gives them a lot more time.

At the moment we know of two ways to creategravity, either somehow grab a ton of mass and use its natural gravity or using spinto create fake gravity. This could be accomplished by rotating a largestructure in a shape such as a cylinder, ring or torus. It’s the same thing you feel in rides likerollercoasters, where you are pushed to one side. Now this solution is great for getting toMars, but on the surface it would be a lot more difficult to have a rotating structure. So it’s whether it’s worth spending thatextra money for the astronaut’s benefit or not. This type of artificial gravity is seen ina lot of science fiction books, such as one of my favourite books “2001: A Space Odyssey”by Arthur C. Clarke and also “The Martian”. The third issue is the atmosphere there.

Mars’ thin atmosphere makes landing on Marsvery difficult, which is why Mars rovers have strange landing methods. The air composition is completely uselessas it’s made up of 95% carbon dioxide and small percentages of oxygen, argon and othergases. The thin air on Mars also does a poor jobof capturing heat. A good idea would be to terraform Mars, althoughit’s very difficult and would take a long time. One of the key steps in doing so would beto make the atmosphere more like Earth’s. We’d have to make it thicker and and alterits composition. One way to do this would be to trigger a globalwarming effect, introducing more greenhouse gases, such as carbon dioxide, methane orammonia. We could get methane from mining rocks onMars, or if we’re feeling ambitious then we could hit Mars with some asteroids to releaseammonia. This would be done by somehow capturing anasteroid from either the edge of the solar system, so the Oort cloud, or even the asteroidbelt. The fourth issue is not having enough materialsor money. It seems to me that this would be the mostlikely issue for Humans.

A manned mission to Mars would be exceptionallyexpensive. A few years back, NASA estimated that it wouldcost them at least $100 billion over the course of 30 to 40 years, and that number might evenbe too low. After all, the ISS was once thought to cost$10 billion over the course of 10 years, but turned out to cost 10 times that. $100 billion is a very large figure in comparisonto previous Mars rovers such as Curiosity that cost only $2.5 billion. With that being said, I undoubtably want NASA,or SpaceX for that matter, to send a manned mission to Mars. If they can’t meet the money needed, NASAhave instead suggested that they may do another mission to the Moon, possibly even to forma colony there. Seen as SpaceX are pretty confident with futuremanned missions to Mars, NASA forming a colony on the Moon would give SpaceX a bit more beforehandknowledge before they colonize Mars. SpaceX plans to send its first cargo missionto Mars in 2022. What’s even more exciting though is itssecond mission, including both cargo and a crew, which will be preparation for futurecrew flights and the spacecraft will be the beginning of our first Mars base, which wecan build from to create a thriving city and eventually a self sustaining civilizationon Mars. The fifth issue is that Humans are inexperienced. The aforementioned colony on the Moon wouldgive SpaceX some helpful insight and advice for the more ambitious job of colonizing Mars. It’s possible that SpaceX’s first mannedMars mission encounters an unknown problem, resulting in all of the crew dying. Having said that the best way to learn isfrom our mistakes. This issue always has some degree in everyspace exploration mission, but we always end up just learning from mistakes, making futuremissions better executed. The sixth issue is time lag.

This is probably the least affecting and theleast thought about issue on my list. This includes messages and signals takinga long time to get from Earth to Mars, or vice versa. Radio signals can take anywhere from 4 minutesto 24 minutes to get to Mars, depending on where Mars is in it’s orbit. This means that there couldn’t be phonecalls between the two planets so messages or voice recordings would have to be used. Friends and family connections are likelyto get very distant as it’s too time consuming and troublesome to have a conversation ortext each other. That could drive someone mad, not having anyloved ones to talk to or any real friends, just colleagues. That’s why it’s pretty important thata crew, going to colonize a planet and be pretty much on their own for at least morethan a year, has to be good friends and close to make it at least bearable for them, inthat manner. And now some other issues that I’ll brieflytalk about.

There is the contamination problem. As soon as we step foot on Mars we have broughtmicrobes, or life if you like, to Mars, despite how many checks the spacecraft and crew gothrough beforehand. This means that if we find life on Mars wemight not be able to tell whether it originated on Mars or if we brought it over from Earth. There is also the problem of perchloratesin the soil. Perchlorates are salt compounds, often usedin rocket propellants and they’re exceptionally harmful for Humans. They can cause aplastic anaemia, when yourbone marrow can’t make any new red blood cells. And can also cause agranulocytosis, whichmakes your body create less or no white blood cells. So if we’re going to grow our own food onMars then we’ll either need to use our own soil or remove the perchlorates from the soil. Comment down below your thoughts on theseissues. Make sure you subscribe for more content onastronomy and futurism. If you enjoyed this video check out my mostrecent video or this playlist. Thank you so much for watching, have a niceday.

The Ways To Get And Colonize Mars

Going to mars has for long been science fiction and colonizing it more so. But now it is becoming more of a reality then we could ever imagine. We are getting closer and closer to both getting humans to mars and colonizing and build habitats on our neighbor planet. The last 20 years we have had a lot of obstacles that we have come up with solutions for and there is even more new obstacles now. Although there are so many new obstacles now i am certain we will find a solution for them just as we did for the obstacles before. If we succeed with colonizing mars it will help humanity in so many ways and one of the biggest problems it would solve is overpopulation and hunger which is some of the biggest problems we face today.

How can we get to Mars?

Humans have wanted to explore space for a long time and recently for the past 100 years we have succeeded on sending people to the moon and even sent rovers and other robotic spacecraft to mars. So we can already send robots to Mars but sending people there is a whole other deal and way more difficult. The distance between Earth and Mars is way further away than from the earth to the moon so going there will require a lot of energy which is expensive. So the best time to go is when both Mars and Earth is closest to each other and when the energy needed to transfer between the 2 orbits the lowest. The lowest energy consumption for the trip is when the two planets are the closest and when the energy needed is the lowest which is fixed by the synodic period. The synodic period comes around every 26 months but it is only every 15 years where the synodic period is at the same time as when the planets are the closest. Therefor the best time to make the trip is every 15 years and 2033 being the next low energy launch window. You would also need to go back and the best window for the trip back would be 17 months after the landing on mars. That is because the trip to Mars takes approximately 9 months and then you would need to wait 17 months on Mars for the next low energy window. This means you need provisions for the people going to Mars for approximately 32 months counting the trip back. To make this work you would need to find some way to farm crops or in some way find a food source on Mars itself. This can be done but is very expensive and a lot of research is put in to find a cheaper way of making this work.

How can we colonize Mars?

When we have been able to get people to Mars we still need to find a way to survive on Mars which is harder than most people expect. There is many factors you need to consider around this subject and those are air, food, water, shelter, waste system, temperature and protection against radiation.

Air

The main consideration surrounding the air the astronauts breathe inside the habitat is air temperature, pressure and the composition of the air. Humans can breathe pure oxygen but is something we want to avoid considering that pure oxygen feeds fire which was the cause of the apollo 1 fire getting out of control. Because of this we need additional gases and one possibility is to take nitrogen and argon from Mars atmosphere. The air we breathe on Earth mostly consist of nitrogen and oxygen so the best choice would be to take only take nitrogen from Mars atmosphere. The problem with this is that nitrogen and argon is very hard to seperate and as a result the Mars habitat can use 40% argon, 40% nitrogen and 20% oxygen to work. The other thing we need to consider is the pressure of the air inside the habitat which is estimated to be over 2000 pounds per square meter. Because of this we need to build the habitat so it can handle this amount of pressure. Another thing that can greatly help with air production is various plants which can create air through the photosynthesis.

Food source

This is one of the biggest obstacles at the moment as there has not been a lot research done around this matter. The best way found at the moment is to build a low pressured greenhouse which will lower the structural demands to maintain air pressure but require the plants to survive. Not all plants can survive the desired pressure of the green house so the problem is to find plants with as low growth time, with minimal waste and with high nutrition. The most suitable plants found for the time being is duckweed and waterfern which both grow on top of water. Another plant that could grow in low pressures is lettuce and in standard air pressure beans could also survive. There has also been tests on the organism lichen which comes from algae and they concluded that the organism could survive for at least a month in Mars condition and at this time went through photosynthesis. Another possible greenhouse is biodomes which would have bacteria that could convert regolith or ice into oxygen.

Toilet/waste system

You will need a waste system for the feces and the waste from the greenhouse and this can be done by putting the waste in tanks and then reuse the waste as biofuel. And when you get to much waste you will need to put the waste somewhere on Mars outside the habitat.

Water

There has been some evidence for water on Mars but this is not enough evidence for how much water there is and if it would be enough. Therefor a advanced water recycling system that can recycle the majority of the water is needed. For now the ISS water recycler can recycle approximately 70% of the water used which is not enough and have to be researched further to maximize the recycle amount. Recycling of the water will not be enough by itself because the water will still need to be refilled 4 times a year so a way to get water from Mars itself is vital for the habitat. For now there is no official way of getting water on Mars but collection of ice by drilling is being investigated and is a potential way.

Shelter/Radiation protection

The location of the shelters is currently not certain but is being discussed what location would benefit the shelter the most. One location is to build the shelter in lava tubes created by the volcano Arsia Mons and is a good option because of the radiation protection it would provide. The construction of shelters in the lava tubes would also be fairly cheaper as it is relatively easy to seal with the onsite materials around the shelters. Natural caves is another possible location for the shelter and has been spotted around Arsia Mons and would in the same way create protection against radiation and micrometeoroids. To build in caves or lava tubes would also lower the total cost to build the habitat because you would not need to build radiation protection over the habitat if you build the habitat underground. The last possible location currently found is Hellas Planitia which is the lowest lying plain on Mars and would be a good location because of the protection and the flat space for building. There is also a higher chance for water in the craters on Mars which is a really important factor for the habitat.

Temperature

The temperature on Mars fluctuate a lot and can get really cold therefor several heating methods will be needed. Some of these methods would be light, electronic gadgets and other things that generate heat. To build in caves or lava tubes would also help to balance the temperature more and therefor is a good option for the location of the shelters. The temperature do also need to be different on the different sections of the habitat therefore which can be hard if the temperature fluctuates. The greenhouse sections temperature also need to stay the same and can not fluctuate and therefore some precautions need to be considered to balance the temperature.

What is the benefits?

Colonizing Mars will help humanity with overpopulation and even if people do not want to go to Mars it can be used for food production which will help with both space and hunger on earth. Exploring Mars is not only going to benefit the people on earth but will unlock many new possibilities for humans as a species. We have no idea what resources we can find on our neighboring planets or in what way they might help us. For example just think about if we find a material on Mars that is super efficient for energy production how that could change our whole way of living. We do not know exactly how much colonizing and exploring Mars could benefit us but we know that it will and maybe more than we now can imagine. If we colonize Mars it can also be used as a station and make space explorations to other planets possible. We would be able to go way further than before because spaceships can land on Mars and restock on fuel, food, etc or just launch from Mars directly. This will also make Mars-Earth trades possible where they can exchange resources, food and equipment.

Sources

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