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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8
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6answers
2k views

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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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
158 views

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 ...
7
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5answers
190 views

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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10answers
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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. ...
9
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5answers
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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 ...
2
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3answers
140 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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5answers
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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 ...
6
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4answers
197 views

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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2answers
91 views

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 ...
3
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1answer
160 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
168 views

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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4answers
348 views

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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3answers
258 views

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
210 views

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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2answers
146 views

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 ...
3
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3answers
260 views

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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11answers
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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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5answers
200 views

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 ...
9
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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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3answers
307 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 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 ...
4
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2answers
772 views

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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8answers
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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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2answers
176 views

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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3answers
313 views

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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12answers
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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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1answer
104 views

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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6answers
170 views

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 ...
2
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1answer
86 views

What technology would a probe need in order to become a self-sustaining colony-constructor?

In a science fiction setting, in the not-too-distant future, people want to send robotic probes out into space - both to explore and to set up boostrap space colonies. They need to be designed to be ...
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7answers
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Most efficient and feasible non-rocket spacelaunch methods moving into the future?

I'm writing a novel that takes place in a future where we've just begun to go interstellar, but the costs are still quite high and the purpose is definitely scientific study, exploration, and so on. ...
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2answers
146 views

If fusion power doesn't work, what are the limits on space development? What are the alternatives?

So the consequences on Earth are somewhat easier to see, as it is mostly just about having cheaper energy. The most obvious downside back on Earth is that climate change doesn't have an easy solution, ...
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3answers
328 views

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 ...
3
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2answers
124 views

How would colonists on Mars effectively move about with the lower gravity?

My colony on Mars is built within lava tubes (for the most part) below the surface. I am assuming that doesn't change the gravity which is at 38% of Earth's. Let's say this is a well established ...
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12answers
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Why would people invest in very-long-term commercial space exploration projects?

In a relatively near future, the humanity discovered a way of commercializing space, in the sense that a project emerged that is extremely costly, but if successful, would be worth it and then some. ...
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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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8answers
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Used Space Ark Purposes

So we have a space-saving species that build an space ark to survive a cataclysmic event on their homeworld and save their species. They have successfully terraformed the new target planet but now ...
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3answers
93 views

Would references to Earth in prayers in space be replaced? [closed]

In many Christian (and I'd expect other religions's) prayers, Earth is mentioned. Excerpt from Our Father: Thy will be done on Earth as it is in Heaven. Currently that's all still very applicable ...
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3answers
156 views

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 ...
3
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1answer
102 views

How long to construct habitable surfaces around giant planets?

I have this futuristic setting in which humanity constructs habitable surfaces around the gas giants and ice giants of the Solar System. A similar idea was proposed by Paul Birch which uses dynamic ...
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5answers
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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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14answers
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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 ...
6
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3answers
399 views

Is the composition of the major asteroid belt bodies different enough to make trade between colonies worthwhile?

For my question I'm assuming that we're talking about colonies on the very biggest bodies that are 100s of kms in size. I'm assuming that by this point humans have become cyborgified/roboticized ...
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11answers
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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 ...
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3answers
354 views

What issues would arise with full body prosthetics?

PREMISE I'm working on a story where cryogenic technology was made viable in the early 21st century (2026 or thereabouts) and became widespread due to an ageing elite seeking to put off their death, ...
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5answers
3k views

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 ...
7
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2answers
157 views

Gardening in an Alien Biosphere

Take a world with the same physical characteristics as Earth, but where biochemical development has "rolled the dice" differently in some cases. The simple chemistry are the same compounds ...
8
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1answer
120 views

Engineering a microorganism capable of functioning under cryogenic temperatures

I'm trying to design an artificial microbe that could survive in the crust of icy moons and dwarf planets in the outer solar system, such as Pluto and Triton. I'm thinking of making them hydrogen-...
10
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4answers
1k views

Planet unhabitable by certain demographic [closed]

Space explorers with same tech level as in alien franchise found a planet. Planet had some carbon based, earth-like flora and fauna on it, but it still needed some additional touches, not a full blown ...
4
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1answer
180 views

Space station design for long-term safety and durability

Notes: I am not using the hard-science tag for now because I do not want to restrict your imagination. However, I will add it if I get mostly speculative answers with no support in actual science. ...
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2answers
88 views

Universal Time | Time in Space seen by Intelligent Life Forms or Aliens [duplicate]

How would several intelligent life forms, aka. Aliens or Foreigners to us, who roam around space (in something I would call space ships) and have never seen or heard about earth interpret time? How ...

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