Questions tagged [colonization]

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

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36
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2answers
7k views

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 ...
10
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1answer
3k views

Constant lunar sub-surface temperature

On Earth we have the idea of constant ground temperature. Builders in North America think of it as 55 degrees at 5 feet down (not quite true, but close enough). At the surface it varies with the day. ...
22
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2answers
9k views

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?
37
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2answers
9k views

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 "...
21
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2answers
2k views

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 ...
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 ...
12
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2answers
542 views

Around Venus in 8 days by Balloon?

The question Would a human colony on Venus be possible? received an answer showing how inhospitable the surface is. But combined with comments to the answer implies that a station in the upper ...
31
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10answers
38k views

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 ...
8
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2answers
6k views

What useful materials can be extracted from Venusian atmosphere?

Consider a cloud-top colony on Venus. What materials needed for the upkeep and expanding of the colony can be taken from Venusian atmosphere, excluding any possibility of mining the surface?
36
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5answers
27k views

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 ...
19
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3answers
2k views

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 ...
16
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4answers
12k views

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?
7
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1answer
338 views

Any scholarly or serious work in Sports Science for the low surface gravity of Mars or the Moon?

One of my favorite answers in SXSE is this one which addresses subtler effects of low gravity on sports that one might not anticipate. There are other answers there, and other questions and answers ...
11
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1answer
1k views

How deep a valley or trench would be needed on Mars to provide the same atmospheric pressure as 6 km above sea level on Earth?

Atmospheric pressure increases the deeper you go & the highest growing plants on Earth have been found at a height of 6 km so how deep a trench would we need on Mars to provide similar air ...
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 ...
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 ...
18
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4answers
4k views

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 ...
15
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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 ...
10
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1answer
1k views

Would working at night on the surface of Mars/Luna protect from radiation?

Radiation is often mentioned as a serious hazard to the health of astronauts and colonists on worlds without magnetospheres, I presume that the majority of this harmful radiation is the ultraviolet ...
10
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2answers
2k views

How long is a day on the Moon?

I am moving to live on the Moon, I have a solar panel that only makes power when the sun shines on it. I will need to charge batteries to give me power during the lunar night. But I can't figure out ...
9
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1answer
535 views

What, if any, reduction in radiation exposure does the atmosphere of Mars provide?

In the book "The Case for Mars", cited in this answer, there is a study cited that states that 20-50 REM radiation occurs due to cosmic rays in deep space. It seems likely that the atmosphere of Mars ...
7
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1answer
913 views

How thick would a Marscrete structure need to be to provide adequate protection against radiation?

Regarding a manned shelter on the surface of Mars... With all of this esoteric talk of ice shelters, why not simply create concrete (Marscrete) buildings? The ice probably provides better radiation ...
6
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3answers
388 views

What would the full hypothetical Mars terraforming roadmap look like?

Most of all the articles about Mars terraforming focus on warming the atmosphere. 2nd most popular topic as far as I know is the magnetic field that Mars lacks. Some other sources speak about toxic ...
3
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1answer
186 views

What series of devices would you need to deliver to the Martian surface to manufacture concrete entirely in-situ?

It seems like you at least need the following: A self-drilling wellhead to reach the subsurface water, storage tank Some process for refining the regolith into the optimal composition, storage tank A ...
2
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1answer
124 views

Most efficient method of storing energy with water on the moon?

I found a large cavern under my lunar homestead. It is several hundred feet (a couple hundred meters) deep and fairly large. There is a large ice deposit at the bottom. I am able to warm it to ...
2
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1answer
212 views

Can air pressure be accumulated this way for a biodome or spacesuit?

Using plastic or rubber or something similar and transparent be inflated with each layer having a increasing pressure lessening the strain on the containing material? When one or two layers fails the ...
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3answers
862 views

Could a powerful enough laser or maser heat the core of Mars?

I think that if we could build a powerful enough laser/maser to heat the core of Mars up and melt it, it could generate a magnetic field, which would allow for easier living on Mars. Could this be ...
17
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2answers
4k views

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 ...
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 ...
8
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2answers
10k views

Will colonists on Mars have enhanced physical mobility relative to an Earth-normal environment?

A Princess of Mars (1912) by Edgar Rice Burroughs in Chapter III describes this "superhuman leap" by the hero John Carter: My effort was crowned with a success which appalled me no less than it ...
6
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2answers
640 views

On building future sustainable Mars habitat

Pertaining to Mars habitation, eventually, could the answer be in burrowing into the ancient volcanoes instead of building the habitation outside in the open? Since Mars does not have magnetic ...
18
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5answers
3k views

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. ...
6
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5answers
9k views

How to simulate Earth's gravity in future colonies on other planets?

What would be a viable means to simulate and maintain Earth's gravitational acceleration in a future colony built on another planet? I am mainly focusing on terrestrial planets, where a colony could ...
14
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1answer
671 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 ...
20
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1answer
3k views

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.
17
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4answers
3k views

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?
11
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1answer
430 views

Are there relevant resources on the Moon for civil engineering?

We can read about Moon exploitation and making bases on there for long-term colonies. But bringing materials to make buildings there does not makes economical sense, and a large spaceship may be a ...
9
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2answers
1k views

What is the deepest place on Mars? Do humans need pressurized suits there?

Is there any particular deep area, trench, fissure, lava tube or otherwise on of Mars in which a person could survive with only an oxygen supply? How deep would plants or animals have to be in Mars ...
9
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2answers
967 views

Would a rotating spacecraft disorient those looking out of it?

I'm curious, if a space station were rotating to produce a gravity-like force, would being able to see large portions of the sky disorient human beings? Is there any research on the maximum rotation ...
8
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1answer
948 views

A cloud-top colony on Venus, will it drift to the poles?

Suppose a cloud-top colony on Venus. Provided that it has no thrusting engines, where it will tend to go naturally with winds, to the equator, to the poles or elsewhere?
8
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1answer
1k views

If we got to Mars right now and landed at the poles (where there is a lot of water ice) how long would we be able to stay there?

I thought that if we landed at the Martian poles, we could get water from the water ice there. So how long would we be able to survive? Oxygen can be extracted from the water ice if we break it ...
5
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2answers
957 views

How would you move in low gravity without a suit?

Assuming your in a habitable environment, how would you move on a planet or moon with significantly less gravity without the encumbering EVA suit?
4
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3answers
1k views

Titan vs Mars for colonization

This question is along the same vein as Venus vs Mars for colonization but without the person at the table. Is Mars better than Titan which to me seems a more realistic option for colonization? With ...
17
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4answers
2k views

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 ...
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 ...
9
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1answer
379 views

Couldn't we just clear away the Moon Dust?

I read that "Moon Dust" is ranked by NASA as the number one challenge to building a permanent lunar base. Wouldn't it be possible, though, to send some type of lunar excavators to clear a large zone ...
9
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2answers
4k views

What power source options provide reliable and sustainable power generation for a Martian Colony

In order to maintain a Colony on Mars, we will need to be able to provide consistent, safe, and sustainable power on the planet. The extremely cold temperature means that the need to maintain ...
8
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2answers
2k views

Can a machine process and run on $CO_2$ and $H_2O$ for an $O_2$ by product?

On Mars studies have shown that carbon dioxide solidifies to dry ice at the poles. During the winter months can electrolysis be applied to collected and then contained liquid $CO_2$ to replenish ...
7
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1answer
751 views

Sunroofs on Mars - durable transparent structural plastics lighter than glass to ship from Earth?

Comments below this answer to the question Which is easier to build on mars per square kilometer; greenhouse windows or photovoltaics/LEDs? discuss the possibility of using plastic instead of glass ...
7
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1answer
667 views

What's the deepest a trench could theoretically be dug on Mars?

Given the physical characteristics of Mars (the crusts thickness, it's composition, gravity, etc) how deep a trench (that could be expected to continue to exist indefinitely, or rather, for periods of ...