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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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
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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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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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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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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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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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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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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
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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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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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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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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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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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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
141 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 ...
7
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1answer
114 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
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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
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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
136 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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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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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
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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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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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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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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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6answers
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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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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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7answers
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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
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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 ...
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1answer
185 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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2answers
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Is it possible to colonize the center of a planet with a cold core?

Let's say you have a planet(about the size of Earth) where the core of a planet has gone cold for whatever reason. So the planet is basically just a barren rock devoid of atmosphere or electromagnetic ...
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Would there be any reason to colonize the coastal regions of a lifeless Earth-like world?

I'm designing a setting (or in this case, a game) that is dealing with the early days of a colony on a new Earth-like planet (but without any contact with Earth). In this case, while there are no life ...
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14answers
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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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4answers
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Water-filled domes as space habitats

I have an idea for a space habitat [edit: as in, a habitat on another planet or moon, not in open space, apologies for any confusion!] which consists of two concentric domes made of tough, transparent ...
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3answers
161 views

What could be some form of technology that could and would be rapidly formed in the event an new space race was started

The year is 2045 and China has launched a successful colonization mission to Mars after what seems like decades of simply catching up with the USA in terms of space exploration, rocket science, lunar ...
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3answers
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Could rotating “sub-cylinders” work on an O'Neill cylinder?

I'm working on an Alien-esque pseudo-cyberpunk space station. My idea for the station was a classic O'Neill cylinder with smaller "sub-cylinders" at 90 degree angles along the sides, each ...
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3answers
738 views

Lethal Pandemic

I'm looking to create a lethal disease for a sci-fi book. The plot surrounds a group of rich people taking teenagers off earth to start a new life away from this illness. The pandemic has been going ...
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How to decide if a Planet is better off to be Terraformed or Stripmined?

In Science Fiction, when civilizations grow powerful enough to conquer the planet and are in need for room, they turn to the planets in outer space. Obviously, the other planets have very different ...
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5answers
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When colonizing Mars, what would the emergence of a local economy look like? [closed]

Let's say humanity keeps advancing in its attempt to achieve permanent human presence on Mars, At the beginning it might be only temporary deployments (like to the ISS), but after some time let's say ...
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2answers
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Can we harness energy from heliopause?

This question pops up in my mind when I read Bob516's question, indeed even a nuclear reactor can't last forever and anything strayed too far out would not be able to receive significant energy from ...
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2answers
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Effects of a star and planet on human evolution

Possible Human Evolution I am working on a series set in Alpha Centauri where (in the universe) there are 4 main habitable worlds and a couple that have protected surface dwellings. As well, there ...

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