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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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7
votes
2answers
265 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
215 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)...
16
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7answers
6k views

What can we do to Mars to give it a survivable atmosphere?

Some science-fiction books I've read (including more than a few by Ray Bradbury) have men from Earth living on Mars, walking around outside of enclosures. I know that this is currently not realistic, ...
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3answers
223 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 ...
5
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9answers
593 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 ...
11
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4answers
341 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 ...
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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3answers
594 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 ...
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
508 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 ...
17
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10answers
6k views

What would a Martian calendar look like?

On Earth, the mostly used calendar is the Gregorian calendar. This calendar has many issues though, just to list some: It is not perennial. Each year starts on a different day of the week and ...
0
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3answers
225 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, ...
-1
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1answer
216 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? ...
5
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3answers
5k 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 ...
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 ...
-1
votes
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. ...
8
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3answers
758 views

Building computer hardware on the Moon or Mars

My story setting's group of AIs and brain-uploaded humans wants to colonize space. They have an advantage over us, meat humans, because they don't need conventional life support (air, water, sewage ...
2
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2answers
383 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 ...
28
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5answers
11k views

What would the effect be on Earth if Mars disappeared?

What would the effect on Earth be if Mars, in the space of one second, disappeared from the Solar System? Just simply was gone, leaving no residue, and leaving the space where it had been like it had ...
11
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3answers
796 views

Natural subterranean cave formations on Mars

Is it possible that subterranean caves do/have existed on Mars? We know of the past existence of water on Mars. Which region (if any) of Mars would we likely find/expect to find a cave system below ...
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?
6
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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 ...
2
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2answers
209 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 ...
1
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2answers
352 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, ...
1
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4answers
287 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 ...
2
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0answers
127 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 ...
8
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2answers
345 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 ...
16
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7answers
4k views

OK, I cannot fake the Mars landing. Can I fake Martians?

Scenario: The ESA wants to get more respect and more funding. Last time they were thinking about faking the Mars landing, but after some discussion they reached the consensus that they cannot fake ...
-2
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2answers
131 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 ...
7
votes
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 ...
14
votes
9answers
697 views

Designing a flag for Mars: drag and proportion

I’ve been thinking about flag designs for colonies on Mars, and something occurred to me. The “official” Flag of Mars has a critical flaw The average wind speed on Mars is 10 m/s (20 mph); the fastest ...
4
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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 ...
0
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2answers
228 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 ...
17
votes
17answers
3k views

What weapons would likely be used in a Martian war?

Humans are an inherently violent species. We have had more wars, battles, and arguments over the stupidest of things than I could list if I devoted my entire life to the task. Let us assume that ...
1
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7answers
3k views

How Earth can defend herself in a future war with Mars? [closed]

The future. Parts of the solar system are colonized by outposts, but only Mars became a major industrial and economic center. The Martian stock exchange is the largest in the system and the space ...
9
votes
1answer
234 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
votes
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 ...
11
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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. ...
3
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5answers
497 views

Project Noah: Blue Mars

Set in the 23rd Century, space tourism has matured. The scientists gathered at a summit to discuss plans for terraforming Mars, therefore the Mars colonists living inside a temporary biosphere will ...
31
votes
7answers
6k 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, ...
5
votes
4answers
757 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 ...
11
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13answers
3k views

Why would War Of The Worlds happen?

I've lately been looking at a lot of War of the Worlds remakes/spinoffs, like the 2005 film, the 2013 mockumentary The Great Martian War, and of course, the tabletop game All Quiet on the Martian ...
5
votes
1answer
243 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 ...
17
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9answers
3k views

Would Earth's extraterrestrial colonies have a higher average intelligence?

In the MARS series of National Geographic, an organisation is steadily colonizing Mars by sending a handful of people every few months. However, these aren't ordinary people, of course; they are top-...
4
votes
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 ...
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
2answers
286 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 ...
0
votes
1answer
405 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., ...