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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3answers
342 views

A big primitive computer in orbit, very big, powerfull but old technologies from 80's, what is a potential fiat money value for its use? [closed]

This question about the economy of technological solution, there 800 of such on wb Was looking for materials for the answer to the question Semiconductor foundries are a thing of the past. Rebuild the ...
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How would national borders work for colonies on planets other than earth?

On earth we have relatively well defined national borders. But for off world colonies on places such as the moon, mars & titan, very little would matter outside of military bases, mines & ...
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5answers
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How could earth civilizations send 2000+ humans to Venus in six years?

Current Settings Humanity could no longer access earth for some reason (it could be anything from alien invasion, third world war, ecological disaster, etc) starting at 2028, and they know about this ...
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6answers
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Why would a sentient and super advanced species begin to think like humans over time?

I have a super advanced sentient species that is not human, and developing by itself on a planet. With such advancement, we expect them to think on a higher plane or at least in a different way to ...
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2answers
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What would be the energy requirements to run a world with an artificial sun?

What are the design requirements so an artificial Sun, which is basically a reactor using nuclear fission technology, can give enough energy to power the entire world? Especially on planets like Mars ...
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What technology would allow an advanced civilization to control volcanoes and earthquakes on earth?

How would humans or an advanced civilization control earthquakes and volcanoes and even, if possible, harness their energy? By control, we mean the ability to stop or trigger or accelerate or dampen ...
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Why would humans build / send sample humanoid robots on an alien planet before humans arriving themselves?

Humans can send rovers and machines on other planets to navigate or to establish bases before human occupation begins. These rovers and machines are non-humanoid and suited to their mission roles. ...
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21answers
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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 ...
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4answers
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how would a semi-permanent colony orbiting Jupiter protect itself from radiation?

It seems like the Jupiter system is especially attractive in terms of natural resources, and while I assume the majority of any extraction labor will be performed by machines, I also figure there will ...
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Can a planet harboring complex life be radioactively hostile towards Humans?

I am writing a story that involves the colonization of an exoplanet with very similar properties to Earth. This exoplanet would be orbiting a red dwarf, but due to certain factors (it's atmosphere and ...
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3answers
142 views

How to estimate maximum possible colonization of Solar system?

How many people would be able to live in the Solar system before resource problems similar/comparable to what we have now on Earth would arise (rough estimation)? Is that equation/extapolation just ...
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Feudal-technology space humans - how can they generate mechanical energy?

Setting Background I'm working on an admittedly silly sounding setting. Technologically advanced space fairing humans become stranded on a ring of asteroids in orbit around a large planet. They have ...
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A planet with toxic air

I just started thinking about a fictional universe where humans have colonized more or less any habitable planet (there is a huge concentration of habitable planets) and I'm trying to write down ...
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4answers
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Would sound shifts be severe enough for two dialects to be mutually unintelligible after 400 years of no verbal contact?

A group of English-speaking settlers travel to the Earth-like exoplanet of Rataan, which is 5 light years away. They board the generation ship Genesis that will reach Rataan in 200 years (0.25% of the ...
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2answers
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Space colony based upon faith? [closed]

In the game Alpha Centauri, one of the potential leaders you can play is based on faith. This vaguely means they're focused on recruiting into the flock. But how exactly would s space colony based on ...
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4answers
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How far could humanity spread through the universe?

Assume we developed a perfect rocket, say a ramjet using a very efficient matter to energy conversion drive, within a few centuries. How far could settlers get with such a technology? The local group? ...
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1answer
161 views

How long would a human have to spend in zero gravity to no longer be able to return to Earth?

In the early days of space exploration, the crew of a prospecting mission gets stranded in the asteroid belt when their ship malfunctions. In addition, the group that sponsors the expedition has a ...
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2answers
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Is this space empire plausible? What flaws are most obvious? How can it be improved? [closed]

Humanity has access to a stargate of unknown origin. Each gate leads to a solar system from which other gates can be accessed, creating a kind of highway spanning some 300 systems. The travel time in ...
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How much mass do we need to send to the Moon to set up a useful factory there?

In light of SpaceX's recently winning the contract to go to the moon for NASA, I started thinking (again) about what avenues sending a rocket that size might open in our near-future. So for a short ...
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How would the US re-conquer a Moon Base?

The year is 2030. The US has set up a moon base with about 2,000 people. The base can theoretically survive indefinitely, growing its own food and 3D-printing supplies, but in practice it needs ...
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3answers
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Huge Acidic Planet [closed]

I have this planet that is mostly composed of an unknown acid. Lets name this acid, Substance X. However we can survive on this planet with basic rubber suits, as this acid cannot burn through rubber ...
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2answers
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The Ideal Ecosystem for a Self-Sufficient Space Station

Oh no, Earth has exploded! Luckily, we have a backup plan: a single space station and enough storage to keep DNA samples of: Humans, 5 plant species, 5 vertebrate species, 5 invertibrate species ...
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Assuming that the environment of Earth and Mars are similar, is there possible trading between Earth and Mars in current technology?

Let's assume that Mars has an atmosphere, oceans, plants, and animals, even there is some native civilization like John Carter. Is there any possible trading between Earth and Mars? I noticed that ...
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On an established Mars colony, what would be the best ways to produce oxygen aside from using water?

Let's say there's a viable city of 150,000 people on Mars, the colony has been around for 50 years or more. Private corporations have funded most of it and they have a large presence on planet. I know ...
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2answers
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Can humans be trained to live in extremely low pressure?

Let's say that I want to colonize a planet which is basically like mars but has got an atmosphere which still has extremely low pressure but consists mainly of oxygen. The temperatures are more or ...
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How fast could we build a Dyson Swarm?

I'm in a rush to colonize the Solar System. Thankfully, the latest Space Race, a commercial one between SpaceX, Blue Origin, Rocket Lab and other less known market entrants, is set to dramatically ...
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What will it take to get 1,000,000 people living in space habitats?

Sure, land is expensive here in downtown Metropolis, but lots of cheap land to build on even a few dozen miles out, never mind in the backwoods, or in flyover agricultural lands that rich, self-...
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3answers
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How to explain that Moon is better than Mars?

Far far away, in a different universe, there is a good organizer Elon Tusk. He is good at building rockets, spectacular rud's, nice engines and rocket revisions, 0 fear of failures and Kerbals ups a ...
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What is the most practical/effective transportation method between colonies/settlements on Mars?

Would transport between settlements on Mars be similar to Transport between Cities on Earth?, well except no boats because no oceans. so what would be the most practical mode of transport between ...
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8answers
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How long will it take for the off-World population to exceed Earth's population?

As I type these words in March 2021, there are numerous private companies developing engineering solutions for reliable, high-capacity and relatively cheap access to space. At this point in time, it ...
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2answers
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First visible signs of human habitation on the Moon. What could we see from Earth?

Let's assume that one day there is a substantial human colony on the Moon. Much later, the Moon becomes terraformed. I'm trying to imagine when and what humans would first be able to detect with hand-...
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Preventing racism in space colonies

In light of the recent societal reckoning about and large scale protests against systemic racism, how would a space agency (or other entity) go about selecting individuals to colonize other planets or ...
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5answers
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Landing on a new planet in Earth's near future, how long before they can reproduce the technology they came with?

So given an Earth in our near future, year 2100 or so, where some of our tech has improved to the point where we have robots and the usual sci-fi devices for interfacing with computers. A colony is ...
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How would a planet bound colony clean up an artificially triggered Kessler Syndrome?

Background A relatively recent planetary colony (<50 years from colonization) on planet A1 of star system A, that has just a few years ago become self sufficient (Can produce every product needed ...
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Space colonization becoming economically recoverable

One of the big problems by manned space exploration and colonization, that it's insanely expensive. Building a colony on other celestial bodies - since it's impractical to bring back the acquired ...
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A Thousand-Year War [closed]

Okay, what conditions would allow a war fought exclusively on a single, Earthlike, planet last a thousand years? There are two sides: The native species, which has the support of an massive empire, ...
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How would you have a space ship set out on a journey to a distant planet, but find themselves arriving back home without realising it?

I've been thinking of doing a kinda riff on Planet of the Apes, where a space faring civilization sets out to colonize the stars only for one of the ships to wind up back on the home planet. I like ...
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How would I coordinate meetings with people on Mars?

First off, assume faster-than-light communication exists and has enough bandwidth to do video conferencing. This question wouldn't even be relevant without faster-than-light communication since it ...
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4answers
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If Mars contains coal, will it become a dominant source of energy?

In the year 2099 A.D, humans made a major discovery. There is a rich source of fossil fuel buried beneath layers of Martian soil. It is estimated that the coal deposit that was discovered could fill ...
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What point(s) of departure would I need for space colonization to become a common reality by 2020?

As of 2020, colonizing outside of Earth and into the other bodies that orbit our sun--planets, moons and even asteroids--is all talk and no do. Sure, we have stations like the International Space ...
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1answer
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Amoebic sea and you [closed]

In the hit Discovery channel docufiction Alien Planet, based on the book Expedition by Wayne Barlow, a planet called Darwin iv is explored. One of it's most interesting environments is the amoebic sea....
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1answer
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Halfday planetary scan: what do you get?

Due to an unforeseen malfunction your intergalactic spaceship suddenly drops out of hyperspace and comes to a near full stop. The ship is damaged, and will need to be evacuated soon...very soon. You ...
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9answers
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High-Functioning Autists as Space Colonists

In commentaries to my other question @JustinThyme suggested that high-functioning autists could be the best space colonists: A great deal of very successful scientists ARE autistic. Einstein, for ...
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3answers
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Solar expansion and habitability

Is there a feasible setup where the Sun has expanded enough to make the Earth uninhabitable, but some of the other rocky bodies in our solar system (past Earth) become more reasonable colonisation ...
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3answers
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Did we screw the evolution cycle with modern medicine? [closed]

Just to start I'm gonna clarify that I'm not a sadist or anything like that. My question is plain and simple. Did we screw the evolution cycle with modern medicine? This is not only important for our ...
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729 views

What useful materials exist on a lifeless planet?

Supposing you are trying to colonise planet that has no life what-so-ever but is otherwise an earth analogue. First thing that I realised is that there would be no oil. So they would need to make ...
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6answers
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Future evolution of an English Language and writing system

In a future where a large company is launching a series of interstellar colony fleets to nearby star systems, would it be feasible if they modified the English writing system and Earth kept to the ...
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5answers
282 views

Expanding a space habitat

Let's say that I start with a Stanford Torus that can house some amount of people. Over time, more and more people start living there, to the point it starts getting crowded. How could I expand the ...
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2answers
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How long would it take to colonize the galaxy with FTL? How long before colonization space is at a premium? [closed]

It's easy to find search results for how long it would take without FTL - but I'm wondering how long it would take with FTL, and there don't seem to be many estimates for that. Some very rough ...
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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 ...

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