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
167 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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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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3answers
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A big primitive computer in orbit, very big, what is a potential fiat money value for its use? [closed]

Was looking for materials for the answer to the question Semiconductor foundries are a thing of the past. Rebuild the computer industry if you can it turns out that it is seemingly possible to obtain ...
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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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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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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 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
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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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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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1answer
82 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
139 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
219 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 ...
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2answers
111 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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20answers
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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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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
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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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2answers
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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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1answer
90 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 ...
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3answers
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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
332 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
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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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2answers
152 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
118 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-...
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4answers
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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 ...
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1answer
166 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
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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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2answers
143 views

What would radiation-hardened human colonists look like?

I am designing a future history setting where humans develop the technologies of genetic engineering long before those needed for terraforming, yet at the same time they have access to some form of ...
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3answers
143 views

How could a planet have an atmosphere that lets visible light through but blocks all radio waves

I'm currently working on a series (that can be found on universe factory) and I need a convenient plot device, the colony ship left com satellites and relays in orbit before it landed (and crashed) ...
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4answers
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Population Size of a Colony With a Large Gender Disparity

This is my first post on this site, so please bear with me. I am working on a series of stories about an interstellar colony with a large gender disparity. Namely the initial population was made up of ...
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3answers
154 views

Building a colony on an ice crust

Stories like The Expanse sometimes depict building colonies places like Ganymede. There's good reason to do so, but one thing has always nagged at me; how would the icy crust respond? Ganymede, ...
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5answers
428 views

Long-term food preservation techniques [200-300 years, preferably in a form of MREs]

Question: How to preserve food (preferably in ready to eat form [MRE]) for 200-300 years on a spaceship? Bonus objection: preserve viable seeds for the same period Requirements MREs should contain all ...
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6answers
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Alternates to silicon electronics for a Von Neumann Probe?

Disclaimer: this is a modified cross-post of my post on the Space Exploration SE site, adapted to better fit the Worldbuilding community. A Von Neumann Probe (VNP) is a sci-fi probe which explores the ...
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5answers
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How could we (modern humans) colonize a hot planet?

Consider a planet similar to Mustafar (of the Star Wars franchise). Ambient temperatures and pressures are nearly 400 Celsius and 80 ATM. A surviving crew of normal humans is running out of resources ...
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What elements are useful for humans, but rare in our galaxy?

I know for example there is an interesting gap in the amount of lithium, beryllium and boron compared to Helium and Carbon, but I don't know how useful they are. Here is a graph showing relative ...
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3answers
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What RESOURCES, NOT ART, NOT GOODS, are worth shipping in space? [duplicate]

In space, what resources, are worth acquiring from one part of space, and sending to another?
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210 views

What resources would space traders trade, assuming a gate network but no other FTL exists?

So our world you have wormholes, they aren't "tunnels", just "doorways" of sorts between two systems. The network connects a small portion of our galaxy, some 500 solar systems in ...
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3answers
183 views

Would O'Neill cylinders experience thunderstorms, if not how would you generate/simulate one?

ASSUMPTIONS The OC in question is a standard paired OC similar in size to Island 3 5 miles (8.0 km) in diameter and 20 miles (32 km) long. It is a temperate biome akin to southern France with some ...
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1answer
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What are the risks and consequences of colonizing an inhabited Earth-like planet?

The planet I have in mind has an abundance of plants and animals, but no sapient species or civilizations (think Earth before humans came along). Wouldn't Earth micro-organisms wreak havoc on alien ...
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What would combat look like inside an O'Neill Cylinder?

Problem If you were attempting to take over an O'Neill Cylinder without destroying it or the majority of its inhabitants/ecology how would you go about it? What benefits or detriments to an attacking ...
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1answer
111 views

How to redistribute weight on an O'Neill Cylinder? [duplicate]

Problem With a rotating cylinder, applying weight to one side and not the other will cause it to rotate off axis and give it a 'wobble' likely causing undesired gravitational effects. Now clearly ...
3
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1answer
191 views

Could a colony on Neptune work?

My book is set far, far into the future, in a widely settled solar system. An expedition is sent to Neptune, and the expeditioners find out that there are massive cave systems reaching deep into ...
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Is Terraformation the better solution if time does not matter?

I'm working on a space exploration game where humanity has become extinct and Earth is no longer inhabitable. A lone AI activates and its main directive is to find another world where humanity can be ...

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