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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8
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4answers
912 views

Breathable Mars?

I'm working on a far-future SF story taking place on a terraformed Mars and would like a fact check. Current estimates (see here and here) are that the CO2 on Mars could be released in gas form to ...
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2answers
503 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 ...
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337 views

Balanced but Factionally Divided Government System for my Mars Colony

QUESTION: Would this system of government be effective, and if so (why) and if not (why)? What I'm mostly looking for here is a reality-check or improvements / observations on how my proposed ...
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4answers
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If Mars contains coal, will it become a dominant source of energy?

In the year 2099 A.D, humans made a major discovery. There is a rich source of fossil fuel buried beneath layers of Martian soil. It is estimated that the coal deposit that was discovered could fill ...
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3answers
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A world without bacteria

According to a recent paper from the university of Edinburgh, the ground of Mars contains a lot of perchlorate, which combined with the high level of ultraviolet radiation, makes a very bacteria ...
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7answers
741 views

How can the army government ensure Mars mission success?

The world as we know it crumbled down yesterday. All stock exchanges were turned off. Capitalism as we know it failed. Answers to how and why this happened are outside of this question. It just ...
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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? ...
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3answers
525 views

How long would an abandoned surface colony on Mars physically last?

Humans with a level of technology roughly equal to the present day, not more than a decade or two more advanced (e.g. they might have slightly more efficient rockets, or a more miniaturized comm ...
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417 views

How can I get soil for my Martians?

We've created a series of mechanisms to terraform the temperature and atmosphere to be Earthlike. My geologists are screaming at me, because a lot of features are being rapidly eroded by the new ...
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1answer
287 views

Shielding Mars from the Solar Wind

It's well known that Mars has a very weak atmosphere as a result of billions of years of solar wind bombardment. Mars lacks a sufficiently large magnetic core to generate a magnetosphere strong ...
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263 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 ...
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3answers
103 views

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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4answers
918 views

What will Mars astronauts do about Dave? [closed]

Note: This is background research for parody/comedy story. So, some below points are not even plausible and I do not care about it. Please do not waste your time commenting and/or posting about ...
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How many nukes are needed to restart Mars' Core?

Whenever terraforming Mars comes up, the subject of its magnetosphere inevitably arises. When that happens, someone is bound to suggest using nukes to restart the core a la "The Core". ...
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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 ...
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4answers
227 views

Will hypersonic planes be common on Mars?

It's well known that SpaceX has a long term goal of getting people on Mars. Let's assume some time has elapsed since humanity's transition to Mars. Due to lack of transport infrastructure and hostile ...
6
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3answers
547 views

Effective way to recreate a magnetosphere on Mars with current technology

Our Earth and Venus each keep a thick atmosphere because of a magnetosphere. Most terraforming scenarios of Mars involve transferring water and other gases from the ground to the atmosphere. We now ...
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398 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 ...
6
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1answer
401 views

Underground life on Mars

Simply put: Given the current state of Mars, how plausible is it that any intelligent life would be several miles below ground? I do not have any other requirements for such a race, I'm just asking ...
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 ...
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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. ...
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5answers
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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 ...
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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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Could Mars' air pressure (assuming terraforming) be high enough to sustain humans without pressure suits but low enough to prohibit flight?

I'm looking for a reason to keep humans living on Mars on the ground, and - apart from storms - the very slowly rising air pressure is the best I can come up with, since planes do need significant air ...
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5answers
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How would we choose which species to populate Mars with?

As has been shown many times, once a species "escapes" into an environment, there's no reeling it in. So choosing the right species to terraform Mars is incredibly important. How would we choose the ...
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7answers
689 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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3answers
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How strong would John Carter really be on Mars?

Let us assume that in the future, there is a formerly human colony on Mars that has existed there for some centuries. The people of this world have had time to adapt to the lower gravity over at least ...
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5answers
218 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 ...
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3answers
383 views

How can I escape from a planet like Mars without any modern technological tools such as a rocket?

I wonder whether it is impossible. How can I be launched into space without using a rocket? If the planet has some super volcanoes, can a volcanic eruption be used to launch a vehicle into space? How ...
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2answers
143 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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5answers
230 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 ...
5
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2answers
351 views

Are there any issues with using water as radiation shielding on a Martian colony?

Let's say that after decades of development there are now cities on Mars. Most of their facilities are located underground in order to protect them from radiation and small meteorites, as well as ...
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1answer
189 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 ...
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1answer
240 views

How would Mars' orbit be affected if it had double its mass?

I have one idea for a planet which may turn out to be a massively reengineered and terraformed Mars, which would have double its mass to be more Earth-like, an installed magnetosphere, etc. It would ...
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2answers
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What is the most effective way to build road on Mars and Moon?

It is simply a matter of time before human colonized our natural satellite and the red planet, so how to lay roads that is similar to ours on lunar and Martian soil? (For now suppose we are planning ...
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1answer
733 views

Can I trigger an "ancient device" to start the process of terraforming Mars?

Let's say that an advanced civilisation once existed on Mars millions of years ago at a time when water existed in liquid form and that life was abundant on the planet. (Say this civilisation is a ...
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4answers
750 views

What edible organisms grown in hydroponics on Mars will create most complete diet?

NASA has sent a crew of 100 people on Mars to start a colony. The crew was in cryogenic sleep during their trip to save food and water. And after the 6-month journey, they have reached Mars. My ...
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12answers
597 views

Self defense on Mars

Here's the situation: Mars has been colonized in the near future – tens or hundreds of thousands of people live on Mars. For political reasons, EarthGov is against sending weapons to Mars; and, they ...
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6answers
356 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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7answers
409 views

Reactions of scientists on Mars quick transformation

Inspired by this question: https://worldbuilding.stackexchange.com/q/32798/2071 God of the Bible exists and because He works in mysterious ways, He decided to prove his presence, by terraforming Mars,...
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3answers
358 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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3answers
108 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, ...
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2answers
1k views

Can we make rain on Mars?

Farmers use dry ice(CO2) to seed the cloud on Earth, can we do the same for Mars? The acidity doesn't matter it can be any element or compound as long as we can recognize it as precipitation, as usual ...
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6answers
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Getting around the effects of low Mars gravity

If my Mars colonists don't want to be crippled, they need to bear their own weight as close to Earth normal as possible for their waking hours. How about shoes (leather from goats and sheep) with ...
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2answers
529 views

Why would anyone consider terraforming Mars, considering it can't hold onto water vapour?

From this graph it can be seen that Water Vapour can never be held by the Martian gravity, and would escape into space. How would future terraforming processes overcome this loss?
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3answers
225 views

Sandalphon: A Machine that Copied Gametes

Obligatory Premise In the year 2201, Diego OfeAde has been in control of Mars for 50 years. He has moved mankind into Valles Marineris and his aggressive population expansion program has seen the ...
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2answers
343 views

If we built a large moon close to Mars, could we make Mars a living world?

If we made a large moon near Mars, the tidal forces would encourage the tectonic system to rev up again, and start up the inner dynamo effect. There would be volcanoes, producing a new atmosphere, ...
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4answers
524 views

Artificial volcanos on Mars to recover its atmosphere

I am developing a plan to colonize Mars. Due to Mars' current lack of dense atmosphere and lack of oxygen (its found only as traces), I am setting the following plan: Bore holes through Mars' ...
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1answer
425 views

A localized artificial magnetosphere for Mars

Mars has a couple of problems with regards to colonization such as lack of atmosphere, lack of magnetosphere, weak sunlight, and a few others. Of concern in this question is how to shield human ...
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 ...