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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What are the effects of Increasing the gravity on Mars?

I'm interested in the Physics around increasing the gravity of Mars to make it habitable. I was unsure how to work out what gravity would be needed to retain an atmosphere thick enough to hold liquid ...
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7 votes
5 answers
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What physical effects would 3000 years have on the physiology of humans on Mars?

This is my first ever question on here. I've seen a few posts on Martian physiology but since the answers on here are answered so well and by so many I thought I'd be more specific. How would human ...
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4 votes
0 answers
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How would a "plasma torus", generated from Phobos to create a magnetosphere, look from the surface of Mars? How would it work?

One theory for how to create a magnetosphere around Mars is to generate a plasma torus by "evaporating matter from Phobos or Deimos, ionizing it and using electromagnetic current drive techniques ...
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3 votes
3 answers
95 views

What augmentations would be necessary to stave off the deleterious effects of living long-term in low gravity?

The base premise is people colonising the surface of Mars. I've found theoretical means of creating an Earthlike atmosphere and magnetic field, but the one problem I haven't found any solution to is ...
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13 votes
6 answers
680 views

What would be the best way to build a city structure inside a Mars lava tube?

It has been suggested that lava tubes at Hadriacus Mons could provide a location for a human habitat that would screen out harmful radiation. https://en.wikipedia.org/wiki/Hadriacus_Mons My idea for a ...
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3 votes
3 answers
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If we accidentally spread microorganisms to other planets in our solar system, could they evolve into complex life?

Is the following story plausible: a spacecraft transports microorganisms from Earth to another planet or moon in our solar system. Those microorganisms survive, and eventually, evolve into complex ...
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4 votes
3 answers
189 views

Is this method of “burial” possible?

Now that colonization of Mars and The Moon is starting to pick up, lots more people will start dying. LifeHarbor Burials™ says that they will provide a way to dispose of the dead for free. They claim ...
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8 votes
4 answers
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If colonization of the Solar System had to skip Mars, what other targets would humanity choose?

Background: It is approximately 100 years in the future. A base has been set up on the Moon and further settlement is ongoing (total population ~1000). The first interplanetary research base has ...
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1 vote
5 answers
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What are some hypothetical specs for Elon Musk's next generation Starship for 2060?

Elon Musk's Starship, formerly known as the BFR (then the ITS), is planned to be the workhorse to transport people and goods to Mars. Theoretically, the rocket could be ready for orbital testing ...
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26 votes
10 answers
4k views

1-month Free Shipping... To Mars

Amazon has extended to Mars, and their Prime customers there need, if not 1-day shipping, at least 1-month shipping. They have created a shipping mechanism involving some method, that allows them to ...
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3 votes
4 answers
108 views

What habitat is the most likely to be used in this location and state of development on Mars?

In my story, people have been on Mars for around 15 years in the mid to late 2040s. The base lies in Arcadia Planitia, where the atmosphere is slightly thicker, offering greater radiation protection. ...
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1 answer
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Could a lake be seeded on Mars and sustain an ecosystem, including fish?

The temperature, pressure and radiation are all not optimum on Mars for life. But if the pressure were several fold higher (20-30 mbar instead 6 mbar), the temperature 5C higher, and with less ...
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12 votes
17 answers
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What would cut off a Mars base from Earth's support for an extended period of time?

Consider a Mars base, circa the 2040s. A joint NASA and SpaceX mission proved successful in the 2030s, and now a real colony is starting to develop. SpaceX has brought a good number of people to the ...
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6 votes
3 answers
492 views

Where would be the most likely location for an early Mars base?

Quite simply, given considerations like radiation protection, locations of scientific interest, local resources for building construction, water, propellant production, mining, etc, what would be the ...
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7 votes
3 answers
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Insurgent weapons on Mars

I read a story about a Mars war. There was a lot of shooting by the Martians, which made me think about insurgents weapons on Mars. It makes no sense to me for all these guns to be accessible. Not ...
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15 votes
13 answers
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Why would the first manned Mars mission have a huge crew?

In 1948, Wernher von Braun wrote The Mars Project, in which he outlined a scientific expedition to Mars involving 70 crew members who would stay for around a year before returning to Earth. Since then,...
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3 votes
2 answers
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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 ...
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21 votes
11 answers
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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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4 votes
2 answers
242 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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10 votes
7 answers
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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 ...
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5 votes
5 answers
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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 ...
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2 votes
3 answers
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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 ...
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7 votes
1 answer
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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 ...
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4 votes
3 answers
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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, ...
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4 votes
3 answers
523 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 ...
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3 votes
2 answers
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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 ...
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5 votes
2 answers
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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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0 votes
1 answer
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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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3 votes
3 answers
178 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 ...
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2 votes
2 answers
243 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?...
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2 votes
1 answer
126 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 ...
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2 votes
5 answers
251 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 ...
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5 votes
5 answers
246 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 ...
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4 votes
1 answer
90 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 ...
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-1 votes
1 answer
189 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 ...
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81 votes
5 answers
13k 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 ...
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6 votes
3 answers
437 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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20 votes
19 answers
9k views

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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2 votes
5 answers
149 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 ...
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6 votes
2 answers
173 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. ...
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0 votes
2 answers
655 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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4 votes
4 answers
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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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20 votes
10 answers
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 ...
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5 votes
1 answer
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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 ...
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4 votes
6 answers
388 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 ...
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5 votes
5 answers
273 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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0 votes
5 answers
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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, ...
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2 votes
4 answers
223 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 ...
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  • 2,546
14 votes
6 answers
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 ...
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6 votes
4 answers
465 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 ...
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