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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16
votes
16answers
3k 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 a century. ...
19
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25answers
3k views

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 ...
2
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2answers
49 views

Adverse effects of reduced food variety on microbiome

We often see, in Sci-fi, food being produced from, say, algae or yeast. What could be the effect of such a limited diet on the gut microbiome? Would there be any believable side-effect that would have ...
4
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4answers
130 views

Would living on around Alpha Centauri change how our eyes see color?

I am writing a sci fi novel in which one of the primary factions is a lost space colony sent to Proxima Centauri (Alpha Centauri C) roughly 350 years prior on a generation ship. The trip took roughly ...
6
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1answer
79 views

Environment/Ecosystem for a “Sunfall” colony

I've read a lot of posts about moons around large gas giants and I think I have fairly good idea about basics to them. I'm not super great with all the science parts myself but they give me lots of ...
10
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4answers
1k views

Would that heat-engine provide power to the colony on Titan?

I have an idea for an energy source for a colony on a cold world with not enough solar power. Is my idea workable, or is it debunked as perpetual motion machine? Here is the set-up and my plan: ...
8
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2answers
300 views

What would an asteroid impact feel like to someone standing on the moon?

On the Earth, with our atmosphere, even small objects entering the atmosphere such as Tunguska or Chelyabinsk can do devastating damage due to the shock-wave travelling through the air. People could ...
4
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5answers
93 views

How could an overseer of a space colony make sure that the defensive weapons the settlers are using cannot be turned against him?

I have this idea of a mining colony on an isolated planet. It's a dome like structure in a middle of an desert surrounded by a force field and some physical walls. The complex is lead by an overseer ...
9
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10answers
390 views

What would be a good reason for space colonists to lose their technology?

In my universe, humans nuked themselves in a war so thoroughly that the Earth has been rendered uninhabitable. As a result, they have to leave Earth and find a new home. They briefly tried to settle ...
-1
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1answer
136 views

If Vikings Settled on a Tropical Island, How Would That Affect Up The Native Ecosystem? [closed]

An ice age has hit the already cold planet of Ryu 108. Its inhabitants, with the culture and technology of Scandinavia at the height of the viking age, are forced to feed themselves with a drastically ...
39
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8answers
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 ...
16
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13answers
3k views

What secular civic space would pioneers build for small frontier towns?

I am thinking about a part of a world with a lot of small towns on a frontier, like the early colonial era in the Americas, or pioneer days in the American Midwest, and later the Great Plains and the ...
0
votes
1answer
53 views

Maintaining Earthlike Gravity on other Worlds/Stations [closed]

I am writing my first short story in science fiction and am struggling with the issue of gravity. TLDR: What would it take to make a planet match Earth's gravity (e.g. Titan (yes, it's a moon but ...
2
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2answers
100 views

How would an AI divide its physical sphere of inflence into a “grid” of sectors?

So, my colony mothership crawls along through sub-space at a "slow" ftl as it sends out faster probes ahead of it. Once it has located a cluster (meaning an acceptably dense grouping, not necessarily ...
1
vote
1answer
78 views

How would gravity and centrifugal force interact in Dyson constructs?

I am developing an alien race whose homeworld is a Dyson sphere planetoid (they used collected planetary and asteroid matter to construct a "hollow planet" around their sun, along with "night" solar ...
15
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9answers
3k views

Methods and Feasibility of Antimatter Mining?

Say 200-300 years in the future, humankind has colonized much of the solar system, using a combination of laser thermal drives and solid-core nuclear rockets (fusion never really panned out). ...
9
votes
8answers
2k views

Playing boules… IN SPACE!

Boules is a range of relative games played with small, heavy steel balls thrown on a court, such as the French Petanque and Italian Bocce. While there is variation between games in terms of how and ...
4
votes
1answer
103 views

Help with population figures for colonization game

I am working on a space game that allows players to participate in the human colonization of a distant star cluster. I could use some help determining what sort of numbers I should have aboard the ...
11
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2answers
446 views

How large would a space station have to be to hold one million people indefinitely?

A moon-sized asteroid approaches Earth in the near future, where space tourism has become normal. The Earth has a few satellite structures above Mars conducting research, as well as successful ...
2
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5answers
145 views

What resources would Earth want from a STL colonial civilization? [duplicate]

In the year 21XX, Earth sends several slower-than-light ships to colonize Earth-like planets. The atmosphere, topsoil mineral composition, and the frequency profile and intensity of light on these ...
5
votes
3answers
99 views

How long would could a mars rover remain intact?

The year: Sometime a long time from now The place: Mars Little Bobby Colonist is going to play out in sand dunes beyond the edge of the domed city where he lives. Terraforming efforts over the last ...
6
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7answers
3k views

If there were no space agencies, could a person go to space?

I'm writing a story and I was thinking about the ending in advance. I posted a question about how the population would be wiped out. I have developed from that and thought about the virus having no ...
16
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8answers
3k views

Does it make sense to occupy open space?

I was thinking about space as a measured and marked series of boundary lines to denote ownership and governance. The problem is that I'm having trouble seeing that as useful. If there's no particular ...
-2
votes
1answer
157 views

Can we realisticly ever land on alien planet? [closed]

This question is heavily inspired by Netflix series Another Life We build another worlds to be explored. Mostly by humans. However, reckless behavior of space crew of ship Salvare made me realize, ...
20
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15answers
4k views

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 ...
4
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6answers
272 views

Depopulating the Earth in an Ethical Manner [closed]

In my novel, an alien species has defeated Earth and its sister planets, but rather than outright slaughter, subjugation or slavery, they want to remove all (or effectively all) Humans from Earth so ...
4
votes
3answers
181 views

The galaxy is our nursery [closed]

My question: Given that all of the technology I describe actually exists, what would be the most significant risks for the space-colonization project described below? The Project: A group of ...
28
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11answers
6k 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 ...
58
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20answers
12k 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 ...
8
votes
4answers
220 views

Could a planet evolve to have jungles, woodlands, savannas and meadows - but no animal bigger than an insect?

I want to have a group of space colonists get stranded on a planet where the only way they can get enough nourishment is to gather or cultivate edible plants.
4
votes
1answer
142 views

What sort of atmosphere would develop around an asteroid colony?

In the not too distant future, mankind has established several mining bases on Ceres. There are a lot of spaceships which come and go. Large mining machines are chewing up the interior for resources. ...
5
votes
2answers
217 views

Is it possible for a space city to exist in and draw power from a nebula? Any side effects?

For context, this takes place about 300 years in the future. The space city in question is located in a nebula, completely man-made (not build upon any preexisting foundations like an asteroid etc.), ...
11
votes
3answers
308 views

Plants accidentally exposed to vacuum of space - Will the settlers save them on time?

A newly-built base on the moon has the first two compartments of a pressurized greenhouse farm. An airlock system automatically seals one compartment off the others when pressure sensors indicate a ...
9
votes
6answers
784 views

Enclosed space colony and spread of common viruses

Cold and Flu, are common viruses which normally infect us in the cold of winter. Ironically, those people who always keep themselves warm, stay less out-of-the-house and office, keep their windows ...
4
votes
7answers
2k views

Is a “Democratic” Oligarchy-Style System Possible?

I am considering a story where a group of human colonists looking to colonize an alien world come across another human society on an alien world on the other side of a wormhole. The colonists crash ...
6
votes
2answers
145 views

Ice-World / Cryo-World Settlement (amorphous cryolava / cryomagma)

I was watching a program about the New Horizons space probe and was fascinated by the new revelations about cryolava/cryomagma, and the amorphous planes covering Pluto(98% nitrogen ice). I'm ...
-2
votes
1answer
123 views

How would react a medieval magic world to the arrival of an Interstellar colony? [closed]

Edit (I rephrase the question a bit to try to not made it opinion based) A space colony comes to a planet who is pretty similar to how fantasy's worlds tend to be represented. The space colony is 44%...
2
votes
2answers
83 views

Bicycles/human-powered vehicles on low gravity planets/moons?

In this scenario, humanity has managed to colonise some of the solar system, including Mars, some of the moons of Saturn and Jupiter and some of the larger asteroids of the belt. In most places they ...
9
votes
10answers
1k views

Plausible reason to leave the Solar System? [closed]

According to this article, it would take tens of thousands of years to travel to the nearest star given today's technology. My question is, what could give the countries of today, or most of them at ...
0
votes
1answer
84 views

Would system virtualization technology play a role in future space colonization and can we observe its roots today? [closed]

If I asked the same question for operating systems, I'd say I am quite confident that some descendants of Linux could be there for a very long time. Today, while Linux is used in embedded IoT devices,...
3
votes
2answers
171 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)...
13
votes
3answers
391 views

Could you carry a wormhole through another wormhole?

Okay, let's assume that travel between star systems is done through stable, stationary wormholes on the outer boundaries of each system. This alone is slightly magic for now, of course, but let's roll ...
0
votes
2answers
131 views

How to colonize the asteroid belt within the next 50 years? [closed]

This question is a continuation of Unprepared and Without a Homeworld. The Scenario In my previous question, I proposed a theoretical near future in which a population of 10s of thousands of people ...
6
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5answers
344 views

Unprepared and Without a Homeworld

The Scenerio In the very near future a NASA probe returns to Earth with a soil sample from an asteroid containing a strange substance able to catalyze cold fusion reactions. The economic value of ...
2
votes
3answers
875 views

Possible biological adaptations to make current humans more suited to surviving on Earth-like primitive planets? [closed]

Premise My alternate version of the human race has progressed just to the brink of the ability to explore and possibly colonize other earth like exo-planets. the story follows an expedition crew has ...
8
votes
2answers
155 views

Tolerable range of surface gravities for interplanetary colonists?

Human physiology is adapted for life at 1G, but planets colonised by future humans will likely have different surface gravities. What is the range of values for surface gravity that humans can ...
3
votes
0answers
51 views

Downsides of a Magnetosphere stronger that Earth's? [duplicate]

It is clear that a planet that possesses a weaker magnetosphere than that of the Earth will present issues (such as less protection from stellar radiation) to a potential human colony. However, are ...
42
votes
32answers
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 ...
6
votes
1answer
214 views

What would be the atmospheric pressure gradient in an open pit reaching to the centre of the moon?

Inspired by this question, what would the pressure stabilize at over tens of thousands of years (at the moon's centre, surface, and any other interesting points) if you created a structurally stable ...
1
vote
1answer
119 views

Which Cuisines Would Adapt Best To Space?

If you take all of earth's food and cuisines, which ones would be the mostly logically adapted to be made and eaten in a microgravity-freefall environment within the following constraints. Let's ...