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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.

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

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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4answers
153 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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6answers
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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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2answers
168 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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4answers
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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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2answers
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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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2answers
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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
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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 ...
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3answers
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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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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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4answers
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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 ...
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2answers
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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 ...
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2answers
240 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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11answers
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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 ...
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3answers
176 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, ...
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4answers
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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 ...
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8answers
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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 ...
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6answers
298 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
69 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. ...
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2answers
167 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 ...
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6answers
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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?
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4answers
887 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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2answers
128 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 ...
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3answers
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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, ...
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0answers
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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 ...
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4answers
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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 ...
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2answers
228 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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2answers
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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 ...
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1answer
205 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? ...
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3answers
421 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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4answers
323 views

How can lower gravity affect evolution? [closed]

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 ...
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12answers
470 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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2answers
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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 ...
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3answers
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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 ...
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1answer
208 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 ...
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4answers
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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 ...
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5answers
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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 ...
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7answers
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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. ...
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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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7answers
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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, ...
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3answers
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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". Assuming the ...
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4answers
607 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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1answer
122 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
220 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 ...
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3answers
200 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
290 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, ...
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2answers
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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 ...
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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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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 ...
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1answer
326 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., ...