Questions tagged [mars]

For questions about the planet Mars. This includes development, life on Mars, and comparisons to other planet types.

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3
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2answers
121 views

Could (reasonably sized) walkers be used on Mars?

Could walkers be used on Mars? These walkers would range from 20 ton 2 legged machines to 110 ton 12 legged machines with the most common ones ones being 60 tonnes with 8 legs. These mechs are low to ...
21
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11answers
7k views

Why would Martians have green skin?

I was thinking through how to portray Martians, and realized that there's really no reason for them to be green that I can think of. Both camouflage and (I assume) availability of pigments in the ...
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2answers
156 views

What if Mars and Venus switched places?

So... Mars has a thin atmosphere, and is far from the sun, so it's too cold for humans. Venus is close to the sun, has a very thick atmosphere, and therefore is too hot for humans. What would happen ...
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7answers
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How can I change Earth to become like Mars?

Earth has its own current population, 7 billions individuals or so. Everything is going great: there are animals, rivers, houses and factories. The world as we know it (without pandemic!). One day ...
5
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5answers
199 views

What is the most practical/effective transportation method between colonies/settlements on Mars?

Would transport between settlements on Mars be similar to Transport between Cities on Earth?, well except no boats because no oceans. so what would be the most practical mode of transport between ...
2
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3answers
174 views

What modifications to the human genome would need to occur to make Mars hospitable to humans?

In a futuristic setting hundreds of years into the future humankind has the ability to program the human genome to colonize other worlds. What changes would need to be made to the human genome to ...
6
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1answer
132 views

Could orbital neodymium magnets create a magnetic field for mars?

I'm wondering if, using enough neodymium magnets (dont worry where the material is coming from) in a low martian orbit, could you produce a powerful enough magnetic field to protect the atmosphere ...
4
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3answers
107 views

What adaptations would help an animal feed on mucosae that grow on the ground?

What adaptations of the mouth or digestive tract would help a creature to collect and consume mucosae (mucus membranes) that grow over the ground? The membranes have normal proportions and properties, ...
4
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3answers
324 views

On an established Mars colony, what would be the best ways to produce oxygen aside from using water?

Let's say there's a viable city of 150,000 people on Mars, the colony has been around for 50 years or more. Private corporations have funded most of it and they have a large presence on planet. I know ...
3
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2answers
124 views

How would colonists on Mars effectively move about with the lower gravity?

My colony on Mars is built within lava tubes (for the most part) below the surface. I am assuming that doesn't change the gravity which is at 38% of Earth's. Let's say this is a well established ...
5
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2answers
141 views

How viable would it be to dig down on Mars to build an underground colony?

I want a colony on Mars that builds BOTH ways, up and down. Domes or structures that go up normally, but a large portion of the colony would be levels underground. I think this would allow you to take ...
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1answer
77 views

Civilized aliens coming from Mars in spaceships to build the pyramids [closed]

I'm writing a classic Mars-pyramid story in which some Martian aliens ride in a spaceship and come to Earth and build the Egyptian pyramids. Their environment on Mars is very dry, there are no rivers--...
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3answers
155 views

Assuming that the environment of Earth and Mars are similar, is there possible trading between Earth and Mars in current technology?

Let's assume that Mars has an atmosphere, oceans, plants, and animals, even there is some native civilization like John Carter. Is there any possible trading between Earth and Mars? I noticed that ...
2
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2answers
178 views

Could ants thrive on mars if they stayed underground? [closed]

Lets say humans would want to populate Mars with ants. Would it be possible for an ant colony to create a self sustaining ecosystem underground on Mars, by for example farming fungi, like some ants do?...
2
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1answer
116 views

What would Martian Life be like? [closed]

Basically what I'm asking is how would hypothetical life be able to survive on Mars? Would they need to be created from scratch in some effort to make life on seemingly uninhabitable worlds or ...
2
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5answers
237 views

Could the first human/alien on Mars declare itself as the owner of Mars? And prevent others to land? [closed]

If a human, using his own spacecraft (built with private funding no government money) lands on Mars, could he declare to be his property and prevent future humans to land on Mars? Would we be ...
5
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5answers
226 views

When colonizing Mars, what would the emergence of a local economy look like? [closed]

Let's say humanity keeps advancing in its attempt to achieve permanent human presence on Mars, At the beginning it might be only temporary deployments (like to the ISS), but after some time let's say ...
4
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1answer
77 views

A semi-habitable Mars and the differences between the plains and the craters

I'm developing a world based on a terraformed Mars, which was cut off from interstellar society and regressed to a pre-industrial level of technology. Mars has an ocean, but most of the settled people ...
-1
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1answer
119 views

Elements found on Earth but not on Mars or the Moon [closed]

I am writing a sci-fi story. The availability of materials has big impact on the backstory: What elements can you find in extreme trace quantities on Earth, but not on the Moon? What elements can ...
80
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5answers
12k views

How many cows would you need to drop on Mars to successfully terraform it?

The concept behind this lies in three primary points: It has been theorized that one could increase the heat of Mars' atmosphere to a suitable level by guiding meteors into the atmosphere and ...
3
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2answers
338 views

Is this Martian creature plausible?

I am thinking of writing a story about a Martian civilization. It might involve humans, but, I think it will be more interesting if there are creatures adapted to the Martian lifestyle as well. So, ...
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19answers
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How do the Martian rebels defeat Earth when they're grossly outnumbered and outgunned?

It's the early 23rd century, and we are about 50 years into Mars being colonized. The planet, which was supposed to usher in a new era in civilization and the expansion of humanity into the stars, ...
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5answers
143 views

What would a 2 week vacation on Mars or the moon be like? What fun things could be done in the low gravity? [closed]

Assume that we are talking about some time in the future where we have moon bases & moon resorts along with Mars bases and Mars resorts. I know that extended time on either the moon or mars will ...
6
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2answers
164 views

Producing solar panels on Mars - what is minimal process required, and the mass to import it?

On Mars any initial colony will be power limited. Power sources can be brought from Earth, but any power generation capacity would reduce the mass available for other, more useful cargo. ...
0
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2answers
480 views

what's the name of a solar day on other planets? [closed]

people refer to a solar day on Mars as- "sol". are there any specific names for solar days on other planets, such as Jupiter or Venus for instance? or either "sol" is just a name for a solar day on a ...
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4answers
197 views

Constructing airtight, human suitable facilities in (near) vacuum (Moon, Mars etc)

So, we've reached The Moon/Mars. Our band of intrepid Colonists/Lunatics will almost certainly start by working out of prefabricated facilities (ship, habitat etc) but they will eventually run out of ...
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10answers
2k views

Export economy of Mars

So Mars has been colonised and is mostly self-sufficient (food,water, construction etc). (We finally managed to create a back up humanity! Whew!) Ok now Mars is looking to create an export economy ...
5
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1answer
188 views

Terraform Mars with Phobos dust?

According to the following reference, a few tons of infalling space dust cause the Martian clouds: https://www.sciencedaily.com/releases/2019/06/190617125120.htm. These clouds can boost local surface ...
4
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6answers
353 views

Depopulating the Earth in an Ethical Manner [closed]

In my novel, an alien species has defeated Earth and its sister planets, but rather than outright slaughter, subjugation or slavery, they want to remove all (or effectively all) Humans from Earth so ...
5
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5answers
251 views

Logical Location for my Secure Martian Datacenter

Minutes of the DatadyneTM board meeting, May 7, 2037 Members of the board called to order by Chair Mykyta Coetzee. Chair address begins. … There is no more lucrative opportunity for our company than ...
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5answers
170 views

Is it possible to move planets to get them nearer to Earth? [closed]

Could we move rocky planets such as Mercury, Venus, and Mars to be closer to Earth's orbit? I know it sounds like a silly question and it's impossible right now, but if there is a small possibility, ...
2
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4answers
208 views

Could we give Mars Earth-like gravity using dark energy? [closed]

In the far future, humans are struggling with the idea of whether or not to use dark energy's repulsive-gravity capabilities to surround Mars in a sphere of it (regardless of how, let's assume they ...
14
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6answers
4k views

Inhabiting Mars versus going straight for a Dyson swarm

My question is as follows - let's assume our objective function is to have as many humans as possible living outside the confines of the Earth as soon as possible. For this, we need to provide those ...
6
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4answers
386 views

Terraformed Venus and Mars

A Traveler from a very advanced civilization has visited the Solar system. He found the humans likable, and decided to leave them a boon. For some reason, he couldn't do anything directly to the Earth ...
7
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4answers
284 views

Could a route among the asteroids be built to reach Jupiter's moons once the technology to reach and set up a base in Mars is ready?

Once the technology is ready to reach and set up a base in Mars (perhaps 10 years if SpaceX expectations come true) could it be possible to build a route among the asteroids to reach Jupiter's moons? ...
7
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2answers
245 views

Dead on Mars: Surviving Bacteria

I'm interested in the introduction of bacteria on Mars. If a small base were set up with attempts to maintain some sort of sterilisation protocols, but all the humans died on that base a) what would ...
3
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2answers
208 views

Thermite for metallurgy?

As we all know, a majority of the Martian soil is composed of ferric oxide ($Fe_2O_3$), which is also coincidentally the formula for hematite, one of the most common ores of iron. I think (personally)...
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3answers
217 views

What could result in a colonized Mars setting up a monarchy [closed]

In the future after a nuclear war has ravaged Earth, leaving the Martian colonies on their own and without support... Mars falls under the attacks of local militias, fragmenting. That is until some ...
6
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3answers
128 views

Anchoring a Deimos base

Some astronauts have just arrived in Mars orbit! They're fixing to set up a small refueling station/outpost on Deimos. One problem, how might they keep their small habitat and associated structures ...
5
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5answers
2k views

What natural event could strip all of Earth atmosphere?

I was reading up on Mars thin atmosphere and was wondering how could Earth becomes like the red planet except it only has only 100 pascal (air pressure) at imaginary sea level? Mars is 600 pascal on ...
11
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4answers
335 views

Is it possible to make high-compressive-strength cement on Mars?

I was having fun reading this article about making cement on the moon when I asked myself (and now you), is it possible to make a suitably high-compressive-strength cement on Mars? Since concrete is ...
21
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2answers
8k views

Could a woman survive on mars by wearing a tight fitting, heated shirt, heated leggings, and a full head oxygen helmet

I’m writing a story where mars with its current atmosphere is inhabited entirely by women wearing the “spacesuit” with the following features: tight fitting, heated shirt, heated leggings, full ...
8
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2answers
475 views

How would humans look after living many generations on a terraformed Mars?

Let's say humans moved to Mars and have lived there for millions of years. Mars is of now uninhabitable, though in this case some terraforming has happened. The poles have been nuked to release ...
67
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11answers
13k views

The first McDonald's restaurant on Mars

The McDonald's fast food company is the world's largest restaurant chain which prides itself with offering (almost) the same standardized menu all around the globe... ...this globe. When humanity ...
0
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3answers
221 views

Ideal Martian Colony Spot

What would be the ideal spots to build/start a colony on Mars? I am looking for. . . Good location; a particular well placed crater, lots of caves nearby, etc. . . Good mix of resources; Ice, iron, ...
14
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5answers
4k views

Would weights in clothing be an adequate way to compensate for low gravity?

Would heavier clothing solve the problem of bone and muscle loss in Martian gravity? It doesn't have to be a perfect solution, I just don't want my Martian colonists to be total wimps compared to ...
21
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8answers
5k views

How would a Mars colony living in a giant dome protect against rapid decompression?

Giant dome concepts are beautiful, but I can't help but wonder how they could be so fragile. If there is even the tiniest rip, the whole thing would rapidly decompress. How would you protect against ...
4
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7answers
649 views

Self-sustaining Mars colonization

Background A 100 years in the future Mars has been colonized, new settlers and resources arrive from earth every 26 months (when the planetary orbit lines up best) by first taking the space elevator ...
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1answer
92 views

How unlikely is it to find parasites or organisms that have parasitic characteristics in the frozen water on Mars? [closed]

In the universe I'm wanting to create, I want there to be some form of disease, or infection, or parasite that someone has unknowingly caught through being exposed to specimens brought back from Mars. ...
2
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2answers
356 views

Can Mars work as a wildlife sanctuary for animals?

Suppose humanity manages to terraform Mars: we give it a magnetic field, an atmosphere, then Mars gains oceans, lakes and rivers and we plant forests there. So now Mars looks like another Earth and ...