Questions tagged [colonization]

Questions regarding the formation of a new colony on another planet or other body.

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55
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2answers
20k views

Why are we trying to build a base on Mars before the Moon?

My question is very close to the question answered in the link below and is raised by the answers that question received: Is a Moon-base inherently more dangerous than a Space Station? Why are we ...
42
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2answers
17k views

Can fish really live in microgravity without water?

Yes, you read that title correctly. I saw the claim in "Colonies in Space", hosted on the NSS site. In a weightless space farm, it may be possible to raise fish without water. On Earth, when a ...
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3answers
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Flung debris in lunar landing

When a spacecraft lands on the moon, on unprepared ground, it must fling a lot of rocks and dust all around. If you are building a lunar base, the other components that are already there would be ...
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2answers
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Why can't we use the same radiation shielding in Mars that we used when going to the moon?

Note that this is somewhat related to this question but here I am specifically asking about the suitability of using existing shielding for Mars travel. This is about this article and video titled "...
36
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2answers
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What would it feel like to be in a Martian dust storm?

In a recent question, 'Could an EVA Suit meant for Mars be used for EVA on another celestial, or vice-versa?', there was some discussion in the comments about the effects of a dust storm on Mars ...
36
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5answers
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Which planet or moon would be most feasible to terraform? [closed]

In terms of practicality, which of the planets proposed for terraforming would require the least resources to make fully habitable? In other words, which would be the most practical given technology ...
33
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4answers
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Would colonising Antarctica be a good test for colonising Mars?

I've seen a lot of documentaries, articles, papers, etc which show people living in the desert or other deserted places to simulate living on Mars. However, it seems to me that a better way to really ...
32
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8answers
5k views

How could one navigate on Mars?

There are two primary systems of navigation on Earth today, using maps/compass, and using GPS satellites. It seems unlikely there will be a full constellation of GPS satellites prior to the first ...
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4answers
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When will we send floating probes to Venus?

Recent plans on human missions to Mars have sparked many discussions, one of which is about if we should colonize Venusian upper atmosphere with Zeppelin like floating ships and cities first. NASA ...
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10answers
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How far can you fall on the Moon without injury?

In the book "The Gods Themselves", Isaac Asimov imagines humans living on the Moon would enjoy much greater freedom of movement on the Moon. Each pair went up in unison; each pair rose and fell in ...
28
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7answers
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Could liquid airlocks work?

I was looking through an old copy of Moon Miner's Manifesto a while ago and found the concept of a liquid airlock in an early issue. It is on page 32 of this issue from 1988. It posits this as an ...
28
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2answers
906 views

Moon Caves spotted?

Have any caves been spotted on the moon, in an area where Astronauts could potentially seek shelter from radiation?
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3answers
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What is the smallest number of humans required for colonization?

There is an estimate at Understanding Genetics that the minimum number of humans required for a colonization process is 160. It also mentions some animal populations that have rebounded from near ...
23
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4answers
6k views

Oxygen self-supply by plants

Plants produce oxygen, we know. This might make plants useful in the supply system of possible colonies on other planets or moons. But how efficient they are? Which is the maximum amount of oxygens ...
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2answers
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Could you fly on the Moon, in Earth's atmospheric pressure, by flapping wearable wings?

According to this site, NASA produced a public domain painting representing what the Olympics could look like on a lunar colony. In the upper right of the picture, there are people flying by flapping ...
22
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2answers
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Is it possible to grow plants on Mars?

If we provide adequate water supply will it be possible to grow plants/seeds/moss/algae (from Earth) on Mars? How different are Mars soil from Earth's soil?
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What is the largest naturally occurring body that could be hollowed and safely lived in?

Some proposals for living in space envision finding an asteroid that is a solid chunk of something (i.e. Nickel Iron), hollow it out, slap on an air lock, and you have a home. Add a drive and you ...
20
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1answer
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If colonists burrowed far enough under the ice on Ganymede or Europa, would the ice provide adequate protection for them from Jupiter's radiation?

This is a hypothetical question I'm asking as a SF writer, and the time setting would be approximately 2,250 AD.
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How fast could a person run on the Moon?

Measures of the vertical and horizontal vectors of athletes running shows that once they get up to speed the ratio of vertical to horizontal exertion is about 4:1. This paper by Jean-Benoit Morin Ph.D....
19
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3answers
620 views

Would temperatures be more stable under the surface of Mercury?

Mercury, being right around than 55,000,000 km away from the Sun, gets hot. As in very hot - 700 °K hot (426 °C and 800 °F). Not a place you would want to live. On the flip side, the side of Mercury ...
19
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2answers
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Do you need a mattress on the Moon?

In the 1985 work 'The Cat Who Walks Through Walls' by Robert Heinlein, Richard Ames makes the following internal observation; The character is in an underground abode. The accommodations are in a side ...
19
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3answers
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Use of carbon monoxide as propellant on Mars

Is it possible to use carbon monoxide as propellant for a rocket? For example, carbon dioxide from the atmosphere of Mars could be transformed to carbon monoxide and oxygen via photochemical ...
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3answers
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Is a magnetic field really needed to terraform Mars?

I see so many discussions about how the main roadblock to terraforming Mars is its lack of a magnetic field. If Mars had an atmosphere as thick as Earth's but no magnetic field, wouldn't it still take ...
19
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3answers
484 views

Are there proven sufficient $^3\text{He}$ reserves in the inner Solar System to sustain fusion reactors for colonisation?

According to the NASA website Energy from the Moon, that assuming we perfect the helium-3 ($^3\text{He}$) nuclear fusion technology required, that $^3\text{He}$ would generate only a very slight ...
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4answers
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Would geothermal energy be practical on a lunar base?

Given sufficient liquid in the form of water or other suitable medium, would the use of geothermal energy be practical or feasible for powering a lunar colony? Wikipedia (referenced) gives an ...
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4answers
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Does Mercury have the necessary natural resources to sustain a human colony?

Given that deep craters on Mercury's polar regions could provide protection from the searing heat and radiation of the closer Sun, a colony on Mercury could be possible. For any colony to be ...
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5answers
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Feasibility of colonising Ceres?

Ceres is a dwarf planet in the midst of the Asteroid Belt between Mars and Jupiter - its location in the Asteroid Belt makes it a good base to mine the riches believed to exist in the asteroids. ...
17
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4answers
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What are the advantages of building a human colony on Mars vs the moon?

Why would humans try to establish a colony on Mars rather than on the moon? Seems to me that both bodies are similarly inhospitable, yet the moon is so much easier to reach (and we should be able to ...
17
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4answers
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Can materials be found to make plastic on Mars?

Does Mars contain the materials required to make plastic? If not, can they relatively easily be made, or an adequate substitute found?
17
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1answer
448 views

What are the resource implications of the prevalence of supervolcanoes on Mars?

According to the article "Supervolcanoes Rocked Early Mars" (Vergano, 2013), there is evidence that supervolcanic activity has occurred on the red planet. Also, it is believed some features ...
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2answers
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How feasible is it to use aluminum and liquid oxygen as future propellant sourced from the moon?

I was looking into whether there would be any way to source propellants from the moon itself in support of a future base and space stations in cis-lunar space. I found two documents exploring how ...
17
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3answers
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Feasibility: self-sustaining colony on Mars vs. Space Station

What’s more feasible: to build a self-sustaining colony on Mars or as a self-sustaining space station? The 1976-book The High Frontier advocates the latter while Elon Musk seems pretty confident that ...
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4answers
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How many plants would be needed to produce oxygen enough for 20 humans?

Does it depend on the type of plants and how much sunlight they get too?
16
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3answers
358 views

Are there any existing technologies, or research, that investigate the sustainable production of food for manned exploration trips?

With NASA planning to eventually get people to Mars, and with privately funded attempts such as Mars-One planning to do the same, and relatively soon, there is the issue of having to feed anyone you ...
16
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1answer
589 views

Would the one million people on Mars be killed by an impact equivalent to an Extinction Level Event on Earth

If there are cities on Mars in the second half of this century with say a million people, they will be living in engineered structures and sustained by agriculture in protected, controlled ...
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3answers
2k views

Can our civilization colonize solar system while reliant on fossil fuels?

As the Space X's starship edges closer to reality, it's time to ask a question if our civilization can colonize other planets in the solar system while being still reliant on fossil fuels. Could we do ...
14
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1answer
733 views

Could helmet-fogging occur on Mars, or on any other celestial body with an atmosphere?

When I drive in cold/wet weather the state of the roads is cause for concern. But more worrying is the risk of the wind-screen fogging over when least it should. Space/Earth orbit is a different ...
14
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1answer
1k views

Could an EVA Suit meant for Mars be used for EVA on another celestial, or vice-versa?

A quick follow-up to What is the power requirement of a spacesuit? The Apollo 11 crew were in a vacuum out on Luna; their space-suits fulfilled the purpose of a basic space-suit about which Wikipedia ...
14
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2answers
522 views

Are there any resources available on the moon that could make a base commercially viable?

It seems that if we had a lunar base going then we would be more likely to invent things that would improve space travel. It also seems that private industry is faster at developing these ...
14
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1answer
1k views

Without renewable resources, how do you wipe in space?

I have looked around a bit, Wikipedia has an article on space toilets and one on toilet paper, but the two don't seem to be used together. According to one reference, annual consumption of toilet ...
14
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2answers
1k views

Would it be possible to live on the Moon with our current technology?

Colonization of Mars (for example) has a pretty obvious and clear obstacle: The enormous distance. The Moon is kinda "close". Are there any theoretical (or technological) obstacles that would prevent ...
14
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1answer
1k views

Could Jupiter's tidal forces be used to generate energy?

Let's say we have a colony on Europa (or any other Jovian moon really). Jupiter exerts a lot of tidal forces on its satellites. Could this force be used to generate energy for our colonists?
14
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1answer
666 views

What non-plant, non-bacteria organisms have been studied for their use in colonization?

We hear a lot about the usefulness of plants and bacteria in human colonization efforts in space, whether interstellar or within our solar system. Other organisms, on the other hand, seem to receive ...
14
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2answers
1k views

If I lived in space, could I have a dolphin for a pet?

Inspired by the question Can fish really live in microgravity without water? I got wondering. If I lived in zero G, could I have a dolphin for a pet? Dolphins (and whales) breath normal air just ...
13
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7answers
9k views

Could a space colony 1g from the sun work?

Let me break down my thoughts and I have no science background so let me know if this could even be possible. Have the colony on an object like a big asteroid or a similar man made construct. Have ...
13
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3answers
2k views

Mars versus the poles of Mercury WRT colonization

From MESSENGER Finds New Evidence for Water Ice at Mercury's Poles : Credits: NASA/John Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington/National Astronomy and ...
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4answers
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Realistic space battle, how it could looke like? No hollywood version or videogames like [closed]

I am about to program space exploration simulation game in the future, but I need to consider many factors. I would like to be as much realistic as possible, but keeping the game playable as well and ...
13
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3answers
3k views

Does Mars contain materials that could be used to build a space colony?

If a manned mission to mars was made with the hope of colonization, we would probably need to make many of our structures there out of materials found there - they would probably be simply too heavy ...
13
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1answer
2k views

Is there dirt or its structural equivalent on Mars?

One potential solution to an initial permanent colony on Mars would be a series of modules with dirt floors and walls and slightly convex, transparent roofs. Assuming the interior temperature was ...
13
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2answers
502 views

Is solar system active cryovolcanism a potential viable power source for future colonies?

According to Geology.com's web-article Active Volcanoes of Our Solar System, there are several volcanically active regions in the solar system asides from the Earth. In particular, the satellites ...

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