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Questions tagged [space-colonization]

For questions concerning species that have settled on or near celestial bodies they are not native to and the challenges this presents.

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76 votes
11 answers
9k views

Can a human colony survive on a 'hot' world?

A colony ship headed for its new home countless light-years from Earth suffers an unfortunate malfunction on the final part of its descent phase and crashes onto the planet. Thankfully, the ship ...
Razmode's user avatar
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66 votes
16 answers
12k views

An Earth-like planet is found in another solar system. What are the top priorities after landing in order to create a self-sustaining colony?

Set in the not so distant future, we find a habitable planet very much like our own. The only downside is that it's around 500 years of travel with our current technological capabilities. We have to ...
FruityB's user avatar
  • 741
63 votes
20 answers
13k views

What could a self-sustaining lunar colony slowly lose that would ultimately prove fatal?

I've got a lunar colony that was set up to be self-sustaining before a collapse of life on Earth. The colony has survived on its own for several thousand years through a period of technological ...
aaronius's user avatar
  • 621
60 votes
17 answers
12k views

Where in the solar system is the most viable place to put my colonists, after Mars and Luna?

Mars and Earth's moon already feature in a lot of fiction about space colonization. After these two planets, and assuming that other solar systems are too far away, what is the best place within this ...
Village's user avatar
  • 1,189
59 votes
20 answers
12k views

How would someone hide an asteroid in the void of space so only they could find it?

My story opens with an old man who arrives at his "personal" asteroid somewhere out in space. When he arrives, everything is powered down and he has to bring systems online before he can take his suit ...
dolst's user avatar
  • 701
48 votes
16 answers
15k views

Is this alternate history plausible? (Hard Sci-Fi, Realistic History)

Is this alternate history I came up with plausible? What holes does it have? Are some events very unlikely to happen, even impossible? Should I change some dates of some events? Most of my knowledge ...
Bloc97's user avatar
  • 806
46 votes
10 answers
10k views

How would Martian and Earth societies synchronize themselves regarding time?

If humans colonize Mars how will the 2 societies (Mars inhabitants and Earth inhabitants) be able to synchronize and cooperate regarding time? Since: Martian days and years are different than the ...
papakias's user avatar
  • 981
43 votes
17 answers
6k views

Resources to justify long-distance space mining missions

Earth is setting up mining colonies on Tau Ceti e. But how can they justify the enormous cost of sending people there? ...Because during the initial exploratory missions, it was discovered that in ...
Seth's user avatar
  • 3,745
43 votes
5 answers
13k views

Is pregnancy in zero-g a barrier to long term space living?

I'd like to have a community of humans live indefinitely in space habitats (think space stations supporting mining operations in the asteroid belt). The technology would be "day after tomorrow"-level;...
akaioi's user avatar
  • 9,418
42 votes
32 answers
10k views

Why would a previously spacefaring civilization become unable to build another interstellar ship?

I'm writing a story in which a civilization previously capable of (firmly technobabble-based) FTL travel has become stranded, orbiting an isolated star with no rocky planets. (There was a planet, but ...
Olle's user avatar
  • 563
41 votes
25 answers
9k views

Why would a civilisation choose to inhabit a single enormous vessel instead of maintaining interstellar colonies?

The setting: Very distant future, Earth is long gone/forgotten/just not around anymore. Humanity, whatever it may consist of (people, AI, something in-between) inhabits a single vast generation ship ...
ktyldev's user avatar
  • 1,110
41 votes
12 answers
5k views

Differences in mindset between people born in space and people born planetside

In my world, humanity has populated the stars and now lives in isolated groups in single star systems. Most people never leave the system they were raised in [interstellar travel is very unusual, but ...
sprout's user avatar
  • 760
40 votes
17 answers
13k views

What society might survive the 3 generation rule

A not widely accepted psycho-social phenomenon but one our descendents might sometime face, the Three Generation Rule states: that the degree of social discipline needed for a space habitat to ...
Jim2B's user avatar
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40 votes
11 answers
8k views

Do we actually have the technology for a permanent Moon outpost?

Do we have the technology to go to the Moon now, and stay this time? I'm not talking about the political will or economic rationale for doing so, I just want to know if there are any unsolved (and ...
Serban Tanasa's user avatar
40 votes
8 answers
6k views

Would it be easier to colonise a living world or a dead world?

This question about eating on a alien world got me thinking.... Would it be easier for humans to colonise a world with existing life, or one which was biologically dead? For the living world, let us ...
DrMcCleod's user avatar
  • 1,998
38 votes
15 answers
10k views

Colonizing the galaxy by slow boating reality check

Humans like to explore and seem to have an almost instinctual need to expand. After spreading throughout the solar system and even into the Oort Cloud they decided that humanity should follow the ...
Dan Clarke's user avatar
  • 7,191
36 votes
23 answers
8k views

Economic reasons to put people on Mars?

I am working a hard science fiction story and I cannot come up with a really good reason to put people on Mars. I need people on Mars for the story to work, but there is no reason for them to be there....
GreenFox's user avatar
  • 469
32 votes
21 answers
9k views

If we can have "all the comforts of home" in space why would we settle planets?

This is something that is starting to bug me, I'm creating a universe in which space travel is cheap and comfortable and space habitats can be built roomy enough that no-one actually needs to live on ...
Ash's user avatar
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32 votes
10 answers
8k views

Is it a forgone conclusion that any exo-bacteria discovered on an alien, albeit Earth-like planet will be deadly to human life?

Would the discovery of alien bacteria found on even an Earth analog planet preclude the possibility of colonization due to the potentially deadly nature of bacterial/viral infections? Put differently, ...
Brian's user avatar
  • 685
32 votes
15 answers
9k views

Are generation ships inherently implausible?

So I've been thinking about the idea of a series that takes place on a small fleet of generation ships, traveling at around 10% of lightspeed to Proxima Centauri, which should take around half a ...
Adam Reynolds's user avatar
32 votes
11 answers
8k views

What skin colour would living permanently on the moon select for?

The context: There is a population of people surviving on a lunar-analogue's surface, descended from the crew of a crashed spaceship. The rest of their society is not relevant to the question, but ...
Ynneadwraith's user avatar
  • 8,076
32 votes
1 answer
4k views

How would the water flow if you were to have a shower in centrifugal force equivalent to 1 g on a rotating space station?

Someone showering after exercise aboard a rotating space station spinning to simulate 1 gravity. How might Coriolis affect jets of water falling within a cubicle of 2 metres in height?
Chairman Yang's user avatar
31 votes
18 answers
4k views

Why would a colony need to relocate?

In this Answer I came up a scenareo under which Eriek’s concept makes sense. I rather like this idea: an expedition or colony on another world has to, for some reason, pull up stakes and move. They ...
JDługosz's user avatar
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31 votes
20 answers
7k views

How can I make my deteriorating world's society accept that only 1% (fairly chosen by the government) can have better living conditions?

One very common idea in sci-fi stories is ships or 'dwellings' in outer space. It is impossible to create gravity just with a static platform, but one way you could emulate gravity in space is with ...
ASH-Aisyah's user avatar
  • 1,042
30 votes
19 answers
5k views

Why are interstellar colonists lone rangers?

The time is The Future. Humanity is spreading throughout the stars, aided by the invention of Schwarzschild gates. The gates allow for FTL travel by tearing open wormholes in space. There are three ...
Joe Bloggs's user avatar
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30 votes
12 answers
6k views

How to wrap the Moon in plastic to make her a giant, supported by the atmospheric pressure, greenhouse

Moon's surface is about thirty million square kilometers large. That's a lot of plastic, but no bigger effort than many other terraforming projects we have discussed. Description: A global bubble ...
Ginasius's user avatar
  • 1,346
29 votes
23 answers
7k views

Would there be any reason to colonize the coastal regions of a lifeless Earth-like world?

I'm designing a setting (or in this case, a game) that is dealing with the early days of a colony on a new Earth-like planet (but without any contact with Earth). In this case, while there are no life ...
PixelArtDragon's user avatar
29 votes
29 answers
9k views

How could humans reach distant stars and still stay as a united government if you can't use faster than light travel

If we didn't have the capability to use faster than light travel then how could we stay unified and are any realistic examples in science fiction?
Miles Means's user avatar
29 votes
11 answers
17k views

Creating Fictional Slavic Place Names

I have a very simple question regarding a small problem I cannot find a single satisfying answer to. I am trying to create a country with a prominent Slavic culture. In my story, an alien world has ...
user avatar
29 votes
7 answers
4k views

Practical (and Impractical) Clothing Styles For Microgravity

What might clothing designed to be worn, long-term, in microgravity look like? For the purpose of this question there are two categories. Practical, or everyday wear, and impractical or simply fancy ...
Cosmic Orrery's user avatar
28 votes
21 answers
5k views

Why do people still live on earthlike planets?

Like our good SciFi prophet Isaac Arthur postulates, for a civilization with a decent space presence planets are overrated and rubbish. They're down there in the deep gravity well. There is no ...
Darth Biomech's user avatar
28 votes
10 answers
4k views

Would a purely agricultural world exporting its production be sustainable when it comes to water?

To simplify the question as much as possible, let's assume an Earth-like planet, part of a galaxy-spanning civilization. 30% is above water level, the rest is ocean of salt-water. This world is an ...
Nyakouai's user avatar
  • 4,613
28 votes
12 answers
3k views

How can spacecraft manufactured on the moon be powered?

Background: The moon has been selected as the base for human space exploration. Rather than ship tonnes of material out of earth's gravity well, interplanetary spacecraft and space stations will be ...
user avatar
27 votes
12 answers
10k views

Would gas giants work as waste disposal sites?

In my novel, the many moons of Jupiter and Saturn have been colonized, but I'm running into some logistical problems - namely, waste disposal. My first instinct was to dump it on-moon; while this is ...
Kabob Maraca's user avatar
27 votes
18 answers
7k views

Reasons to colonize planets of another solar system?

In my other question I tried to find out if it makes any sense to colonize other planets or moons instead of just building space stations. The answer I accepted seems very well elaborated to me and ...
Hothie's user avatar
  • 1,577
27 votes
8 answers
5k views

How should fledgling planet colonies deal with supply crews suffering from barophobia (fear of gravity)?

Premise In the movie Gravity, gravity embodies the persona of the film by virtue of its absence. It purportedly leaves the audience with a sense of fear of the chaotic zero-G environment and likewise ...
Arash Howaida's user avatar
27 votes
13 answers
6k views

The worlds between, the consequences of instantaneous FTL

For some time I've been working on a universe with non-instantaneous Faster-Than-Light travel, but I've decided to open a new universe with instantaneous travel. So I'm working on the differences that ...
Ash's user avatar
  • 45.6k
27 votes
3 answers
5k views

If true interplanetary and interstellar travel were achieved, would the decreasing mass of the earth become a problem?

Assuming that in the not too distant future space travel developed enough, that large numbers of ships and people were leaving the earth's surface on a regular basis. Would this ever reach a point ...
Alex Kinman's user avatar
27 votes
5 answers
4k views

Can we stay healthy if we experience microgravity for 8 hours every day?

Let's say that at an asteroid mining site, the workers live in a rotating wheel space station that can produce 1g. They use Earth's 24 hour day, and for 8 hours a day, people go to the asteroid to ...
M Arif Rahman Winandar's user avatar
27 votes
2 answers
3k views

What is the feasibility of a floating city on Venus?

I've read that the atmosphere about 60 km from the surface of Venus is very similar to the atmosphere on earth (the oxygen/nitrogen/CO2 levels and pressures are about the same). If there was a way, to ...
StrangerHopeful's user avatar
25 votes
11 answers
9k views

How would a lunar colony defend itself against aggression from Earth?

Assume that the with the technology level of the near future a self-sustainable colony has been established on the moon. For some reasons a conflict between this colony and some powerful nations on ...
Christian's user avatar
  • 361
25 votes
10 answers
10k views

Which gas giant of the solar system could humanity mine and for what resource?

In a close future (in 100-200 years), humanity is in an energy/resource crisis and seeks new resources in the solar system. In my story, humanity, still in need after colonizing the moon, sends a ...
Binson's user avatar
  • 430
25 votes
12 answers
4k views

Can you protect a Space Elevator from Space Junk?

The idea of an elevator reaching to the near cosmos is very tantalizing when trying to think of ways off planet. A major draw back to this idea is that a long, thin tower into the atmosphere seem like ...
Renzler's user avatar
  • 290
24 votes
20 answers
5k views

After we drain the Sun and migrate, why would humanity find the Solar System important?

Long ago, our ancestors worked out how to travel faster than light: by sending craft directly into the Sun, employing fusion, quantum entanglement, and a healthy dose of handwavium/science ...
lowercasename's user avatar
23 votes
11 answers
6k views

Martians want to keep their weeks roughly in sync with Earth. How would they do that?

The Martian Sol is 24 hours and 37 minutes long, so daytime at a fixed point on the planet's surface will drift in and out of sync with a fixed point on Earth's surface, and keeping the tradition of a ...
Beefster's user avatar
  • 2,823
23 votes
11 answers
7k views

Does Earth have enough fuel to become a solar empire?

If humanity decided right now that they wanted to become a space empire and colonize the entire solar system would they be able to do it? One of the biggest problems with theoretically colonizing Mars ...
TrEs-2b's user avatar
  • 56.2k
23 votes
11 answers
4k views

How would an advanced civilization have constant communication between planets?

In this universe humans have advanced far enough to be able to colonize planets in our system but not enough to do interstellar travel. Earth is united and they have moved beyond countries and borders....
John Hamilton's user avatar
22 votes
8 answers
5k views

Where would space habitats get their oxygen from?

Suppose you want to build a large scale habitable structure in space or on a planet or moon without an atmosphere or any organics, and this would be a long term or permanent settlement, not a ...
Alex Kinman's user avatar
22 votes
8 answers
5k views

How realistic/unrealistic is the trope of "The Earth that Was"?

The idea of the trope is that at some point, Earth is doomed, humans flee into the stars, knowledge of Earth is lost in the process, eventually becoming legend or myth, either due to loss of ...
Future Historian's user avatar
22 votes
3 answers
2k views

How to become accustomed to an alien environment

There is a really obvious problem with going to a planet we have deemed "habitable". Even if the temperature is perfect, the air composition is perfect and the terrain is perfect we still have the ...
Varrick's user avatar
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