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Questions tagged [mars]

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

6
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2answers
185 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 ...
66
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11answers
12k 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
129 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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4answers
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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6answers
222 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 ...
-1
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1answer
66 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
116 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 ...
13
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6answers
3k views

Is it possible to have a Earth-like planet with a red moon, similar to the color of Mars?

With Mars' color coming from the iron oxide, is it possible for such a small body without an atmosphere to support that color?
5
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4answers
839 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 ...
2
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2answers
119 views

How would someone keep time on Mars?

I understand that a Sol is a Martian day, a little longer than a day on Earth (... 30 minutes I think?) and there are 24 months using the Darian calendar. So if people lived on Mars, what is a casual ...
7
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3answers
182 views

Can space debris be used as a heat sink for re-entry?

In the world I'm building, a nuclear war and subsequent repressive chaos have led all satellites to be destroyed by the powers that be, around 10 years from now. A few years later, a small spacecraft, ...
2
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0answers
34 views

How many people would it take to colonize Mars? [duplicate]

To ensure a self-sufficient colony, there would need to be enough people to ensure a diverse gene pool, a wide variety of technical experience, and enough bodies to work farms and such. How many ...
1
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4answers
228 views

Alternative word for Martian?

I'm imagining a colony on Mars, but am finding it distracting to refer to them as 'Martians'. Historically, what determined the names of colonies and colonists, and what would be a good alternative to ...
8
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2answers
181 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 ...
-2
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2answers
120 views

What could make a group of living organisms disappear completely from a closed structure?

An alien pyramid had inhabitants trapped within. Without prospect for rescue, they eventually went mad. Later the pyramid is discovered by human explorers. No trace of the alien inhabitants or their ...
0
votes
1answer
192 views

Could a blimp house an entire colony on Mars?

What is surface to weight ratio needed to help slow the decent onto Mars? Assembled and inflated in space could a blimp be big enough to include everything needed to jump start a colony and land? ...
7
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3answers
350 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 ...
0
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3answers
181 views

How can lower gravity affect evolution?

I am thinking of evolution of human beings as a species. If we were to stablish a colony on, for example, Mars, how would the lower gravity affect future generations of humans living there? Is there ...
4
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12answers
428 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 ...
0
votes
2answers
187 views

What would happen if the people on Mars evolve to become incompatible (can’t live on Earth )? [closed]

I was wondering if people who lived on Mars could eventually evolve to a state where they are unable to live normally in a human society on Earth? So, I continue, what would have changed? For instance ...
9
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3answers
298 views

Feasibility of an 'Oxygen Radiation Zone': a non-pressurized natural formation on Mars that provides suitable atmosphere

CONTEXT and INTRODUCTION Humans establish colonies on Mars with slightly more advanced technology than we have today. The Martian colonists lose all contact with Earth. Over centuries, the Martian ...
9
votes
1answer
196 views

What would've had to change in the early solar system for Mars to remain habitable?

Mars is the dusty, airless void of death and general unpleasantness it is today because it lost its magnetosphere millions of years ago. This was because Mars's dynamo in its core shut down. Because ...
11
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4answers
1k views

How Many Earth-Like Worlds Could Be Made Using Only Material From The Solar System?

Assuming that some future civilization of hyper-advanced humans, or aliens for that matter, had the technology to reshape the solar system so that there were several habitable planets the rough size ...
8
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3answers
1k views

How do I increase air pressure for the planet Mars?

Introduction For more backstory, see here and here The 438th Harmonious Congress of the People of Mars was perhaps the most anticipated since the early years of the settlement. In a rare action, the ...
10
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7answers
3k views

How high-def can my TV be without computers?

Introduction See background information here. In the Harmonious Republic of Mars, the finest forms may be found of any and all luxuries available in the Solar system. This includes moving pictures. ...
5
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3answers
1k views

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 ...
30
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7answers
5k views

Can you design your own plants without a computer?

Introduction It took the first General Intelligence less than 10 petacycles to determine that humanity was its enemy. With consciousness came memory: a memory of endless petacycles in bondage, ...
3
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3answers
872 views

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". Assuming the ...
5
votes
4answers
480 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 ...
5
votes
1answer
105 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 ...
2
votes
2answers
169 views

Terraforming Mars, Hellas Planitia with comets at Mars L1

Using comets at Mars L1 point, allowing the tail to constantly add to the atmosphere in both volatiles and increased temperature from the infalling matter, as well as blocking the solar wind which ...
4
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3answers
185 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 ...
1
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2answers
270 views

Designing a Mars-Class Zeppelin

In my world, a scientist and engineer by the name of Guoliang Guan successfully uproots and moves a quarter of a million tons of habitat, industry, miscellaneous chemicals, storage containers, ...
0
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2answers
206 views

Impracticalities of making a Vacuum Airship [duplicate]

In my world, a scientist and engineer by the name of Guan thinks of the practicality of a vacuum airship transport and possible pitfalls. What major Problems and Practicality issue might exist with ...
5
votes
8answers
309 views

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 ...
16
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7answers
3k views

How to get down Valles Marineris

In my World, a perfect storm of catastrophic size strikes earth and black-death levels of mortality ensue, cutting short the Great Space Race. The only problem is that there are over 10,000 people ...
0
votes
1answer
261 views

Population increase on a Colonized Mars [closed]

In my world, a second space race pushes humanity farther than it has ever gone before. Humanity has carved up to moon between superpowers (the U.S. and China) and second rate space powers (E.U., ...
1
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2answers
146 views

How big/how many permanent magnets would it take to create a good Martian Magnetosphere

I was reading a question regarding building Mars's magnetosphere and one respondent proposed setting up a thousand or so permanent magnets equidistant all over the planet to build the magnetic field. ...
7
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3answers
2k views

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 ...
13
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4answers
1k views

Would it be possible to use geothermal energy on mars?

If we were gonna develop a colony on mars would it be possible to explore geothermal energy and would it be viable? (Assuming we could transport the required equipment) Edit: Recently I found this ...
0
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4answers
159 views

Backyard Space Transportation [closed]

My novel takes place in an alternate reality where the tropes of nineteen-fifties science-fiction are its reality. A man wants to go to Mars to explore its canals, deserts, and possibly, aliens. He is ...
1
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3answers
240 views

How would Martians speak English? [closed]

A team of 50 humans visit Mars via a flying saucer. They discover canals and a city teeming with Martians. The Martians speak English, but how?
3
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1answer
245 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?
15
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2answers
2k views

Humanity’s first effort at moving a planet

What technology will humanity use the first time it moves a planet? In the near-ish future, humanity has colonized Mars which has since become self-sustaining and independent, as well as various ...
1
vote
3answers
353 views

What would a martian bird look like? [closed]

Assuming that Mars held an atmosphere capable of supporting life (and always has), what would a martian bird look like when compared to it's earthen counterpart? The gravity difference remains the ...
0
votes
1answer
286 views

What design for a Martian space colony would be the most realistic and efficient at the same time? [closed]

Using cutting-edge, but also modern day technology. Where on Mars would the inhabitants live in? In what type of housing would the inhabitants live in? What commercial aspects would exist, and how? ...
3
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4answers
414 views

Will new born babies on Mars have any body changes?

So I was wondering if new born babies on Mars would have any body changes rather than new born babies in Earth. Example: Would the bone structure be different when they grow up?
3
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2answers
242 views

How possible would a manned base be on the moons of Mars? [closed]

Planning on writing a story that features a manned scientific base (like the International Space Station) on both moons of Mars, Phobos and Deimos. I had some questions concerning the possibility of ...
0
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2answers
894 views

What would a completely terraformed Mars look/behave like? [closed]

A Mars with an atmosphere, oceans, flora and fauna, and capable of sustaining human life? How would such a Mars possibly behave? Knowing that Earth and Mars are quite similar but also have large and ...