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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69
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11answers
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 ...
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16answers
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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 ...
57
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20answers
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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 ...
57
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17answers
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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 ...
57
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20answers
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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 ...
47
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16answers
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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 ...
43
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10answers
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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 ...
43
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4answers
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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;...
42
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32answers
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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 ...
39
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25answers
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 ...
39
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16answers
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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 ...
39
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11answers
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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 ...
39
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8answers
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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 ...
36
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15answers
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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 ...
34
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23answers
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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....
33
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11answers
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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 ...
32
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21answers
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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 ...
32
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1answer
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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?
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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, ...
31
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18answers
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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 ...
31
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17answers
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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 ...
30
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15answers
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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 ...
30
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12answers
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 ...
29
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7answers
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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 ...
29
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5answers
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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 ...
28
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11answers
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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 ...
28
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12answers
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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 ...
28
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20answers
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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 ...
28
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3answers
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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 ...
28
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12answers
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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 ...
27
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19answers
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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 ...
26
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18answers
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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 ...
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8answers
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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 ...
26
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13answers
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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 ...
25
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11answers
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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 ...
25
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11answers
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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 ...
25
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12answers
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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 ...
24
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10answers
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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 ...
24
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2answers
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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 ...
22
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8answers
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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 ...
22
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8answers
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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 ...
22
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11answers
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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....
21
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25answers
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Why would Earth be long-term unsuitable for an advanced alien species that's already colonized it?

I'm writing a story where aliens are using humanity like a botnet to do hyper complex calculations - each infested human has a program running in their subconscious brain that does a small part of the ...
21
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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 ...
21
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10answers
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How would earth goverments respond to killing of most of a colony to keep the rest alive long enough for rescue

This question is based off of an episode of the original Star Trek series that got me thinking. Imagine the very near future were just starting to colonize mars and had placed 500 people from all ...
21
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3answers
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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 ...
20
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15answers
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Why will we fail creating a self sustaining off world colony?

There have been many (many) questions around here about the how, why & even when will man kind become a multi planet society... this is not one of them. This question in fact goes the other way ...
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8answers
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What would be the most viable form of government for the first space colonies?

The Setting It is the near future (say 2060ish). Some entity (corporation, government, private venture, etc.) has elected to build the first permanent (as in intended to become self-sufficient) ...
18
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13answers
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The weird case of the unresponsive Earth - why does the Earth stop communicating with Mars?

Mars has been colonized, close to a million people are now living above (and below) the martian soil, every few months a ship from Earth arrives with more resource for expansion and more settlers, ...
18
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13answers
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Which is initially more favorable; large or small settlements in a new planetary colony?

I have a question that concerns a story I am writing and I hope it is a valid one to ask. But in my story, several groups of colonists, each arriving on different ships at relatively the same time, ...

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