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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6 votes
7 answers
2k views

Hydroponically growing animal feed in a space ship

Same game i mentioned in my other questions. Artificial gravity, robotic harvesting/replanting, and plenty of energy are available on the ship. The farming block is 50x70x10 meters in total but i ...
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3 votes
1 answer
142 views

What is the timeframe for this abandoned space colony revert to a medieval society?

An outpost on a 2G (gravity) water planet (95% of the world's surface covered by oceans) becomes stranded / abandoned by the Galaxy Government, probably forever. The warp gate in orbit broke, nobody ...
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5 votes
4 answers
532 views

Justification for using Saturn as a future base for colonization

Despite being a gas giant, and being chilly cold, there are a few reasons I believe Saturn would be an ideal habitat for future colonisation, and here are a few justifications: Saturn actually has a ...
15 votes
13 answers
3k views

How could humanity colonizing multiple planets and solar systems prevent speciation of the human species

I am exploring the idea of humans leaving planet Earth and colonizing different planets. However, I would like the humans to remain "human". By "human" I mean that the different ...
-3 votes
0 answers
51 views

Land-base on Venus

In the early 2030s, NASA sends some astronauts to Venus for study of land. Due to reasons I will not discuss, the bases are not cloud cities, but actually land-bases. The structure of the base is as ...
6 votes
8 answers
1k views

Are there plausible ways a spacefaring society could develop along feudal lines? [closed]

There are works in science fiction (the Dune saga probably being the most famous of them) where in the future, a space-faring human society has somehow, instead of being a republic (at least in name, ...
6 votes
1 answer
126 views

What are the best places in the solar system to mine for fission fuel?

Aliens show up in a generation ship. They don't particularly care about living on a planet specifically, and they don't have any interest in conquering Earth for our land or our water or our ...
-3 votes
1 answer
88 views

Could a planet be colonized with mostly magic? [closed]

How could magic be used to get to planets and make them suitable for human habitation. I will set some rules for the sake of more precise answers. Magic and Technology which utilizes it is possible ...
5 votes
1 answer
115 views

Space elevator counterweight station keeping

I working on a story, and there is a space elevator. I know that moon and sun have a gravitational effect on bodies in orbit. And if a heavy asteroid was used for counterweight, wouldn't it require a ...
28 votes
10 answers
4k views

Would a purely agricultural world exporting its production be sustainable when it comes to water?

To simplify the question as much as possible, let's assume an Earth-like planet, part of a galaxy-spanning civilization. 30% is above water level, the rest is ocean of salt-water. This world is an ...
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1 vote
2 answers
185 views

Uh-oh, the galactic bank just got blown up - what now? [closed]

I'm running a sci-fi tabletop game, and the current big bad the party is hunting down is a group of freedom fighters with big ideas, and a MacGuffin relic capable of large-scale destruction. The big ...
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1 vote
0 answers
57 views

Species modification [closed]

Let's say for purely cosmetic reasons, a group of people on Earth who wanted to colonize other worlds to form some kind of galactic empire decided to modify their outward appearance. Prior to doing ...
4 votes
4 answers
235 views

Structural design of shoulders for rigid suits and/or armour, what would be the best way to make these?

Well, I don't know if I should post this question on Worldbuilding, Engineering or Game Design stackexchange, but it has been a matter that keeps hammering my brain. The context: In this story, armies ...
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-1 votes
1 answer
97 views

How would humanity react to Intelligent animal life? [closed]

I know the title is misleading, but hear me out. Let's say mankind has evolved past the frontiers of the Oort cloud, something like in the Avatar or Alien Universes. Enough to have jumping from stars ...
8 votes
3 answers
243 views

Is excavating alien technology legal? [closed]

I know that there are diffrent laws regarding excavating resources on other planets and asteroids,but they are far from being precise. Many conflicts arise when nations want to make one law that ...
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3 votes
1 answer
115 views

Dealing with extreme heat and pressure in an underground colony on Venus

A colony has been constructed by robots for human habitation deep under the surface of Venus. They are totally sealed off from the surface, and the galaxy beyond, and live like a ship in a bottle What ...
1 vote
2 answers
147 views

Building a colonial government similar to the United States, but with a few tweaks [closed]

Okay. This is the idea that I had. Our colony ship left Earth, specifically the United States, shortly after 2105, We have landed on an Earth-like world, orbiting a yellow star similar to our own. ...
3 votes
6 answers
512 views

Why would the council of a colony on another planet lie about the colony's age? [closed]

Story in the form of an all-ages mystery themed graphic novel that plays on the theme of a conspiracy, with an emphasis on showing through illustration rather than telling through dialog. A group of ...
4 votes
2 answers
158 views

What are the effects of Increasing the gravity on Mars?

I'm interested in the Physics around increasing the gravity of Mars to make it habitable. I was unsure how to work out what gravity would be needed to retain an atmosphere thick enough to hold liquid ...
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12 votes
9 answers
3k views

Can a forest provide enough oxygen to breathe on a low oxygen planet?

A person is placed into the middle of a forest on an alien planet. The planet is to be considered Earth equivalent in all respects (mass, size, atmospheric pressure, etc.) except atmospheric ...
  • 2,432
5 votes
4 answers
218 views

Minimize Mass Required To Colonize A Planetary System

In the early 22nd century, sending humans to other planetary systems is still too costly to be realized, so the first interstellar missions will be piloted by AIs. An AI piloted probe will be sent to ...
10 votes
14 answers
4k views

What reliable source of power is best on a newly colonized interstellar planet?

I have been working on a hard Sci-Fi narrative of a first-time human colonization scenario on an interstellar star system like Alpha-Centauri. My narrative though uses NO FTL drives or other fictional ...
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4 votes
1 answer
140 views

How would a "plasma torus", generated from Phobos to create a magnetosphere, look from the surface of Mars? How would it work?

One theory for how to create a magnetosphere around Mars is to generate a plasma torus by "evaporating matter from Phobos or Deimos, ionizing it and using electromagnetic current drive techniques ...
3 votes
3 answers
96 views

What augmentations would be necessary to stave off the deleterious effects of living long-term in low gravity?

The base premise is people colonising the surface of Mars. I've found theoretical means of creating an Earthlike atmosphere and magnetic field, but the one problem I haven't found any solution to is ...
13 votes
6 answers
710 views

What would be the best way to build a city structure inside a Mars lava tube?

It has been suggested that lava tubes at Hadriacus Mons could provide a location for a human habitat that would screen out harmful radiation. https://en.wikipedia.org/wiki/Hadriacus_Mons My idea for a ...
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24 votes
20 answers
5k views

After we drain the Sun and migrate, why would humanity find the Solar System important?

Long ago, our ancestors worked out how to travel faster than light: by sending craft directly into the Sun, employing fusion, quantum entanglement, and a healthy dose of handwavium/science ...
-3 votes
2 answers
239 views

Possible population levels in a Kardashev Type 2 Scale civilization

Acording to Futuretimeline a type 2 Kardashev society could be achieved around the year 3100 when science is advanced enough to allow the creation of a Dyson Sphere and due to its size it could house ...
7 votes
3 answers
286 views

How to form a space government with only communication?

Long ago, Prime Minister Bob created the [insert name here], a government organizing Space in a peaceful, lawful, and orderly way. This story is taught in classrooms around the [insert name here], ...
1 vote
0 answers
114 views

What things should I consider about TITAN while Landing, in terms of geography?

What are the challenges to landing on Saturn's moon, Titan, with respect to atmosphere and geography? Consider we are landing a team of scientists, in a ship based geometrically on the Jupiter of Lost ...
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21 votes
19 answers
4k views

Could animal husbandry in space ever hold economic value?

Could animal husbandry ever have any economic value as a space-based industry? We are already on the cusp of lab-based meat that is grown as an alternative industry, but would the practice of actually ...
2 votes
1 answer
145 views

What would a sentient AI do to safeguard its existence? [closed]

I'm looking to devise a good "human vs. AI" conflict that is NOT the usual "Skynet" approach (kill humanity) in a setting hundreds of years in the future, where humans have ...
  • 1,007
8 votes
4 answers
762 views

If colonization of the Solar System had to skip Mars, what other targets would humanity choose?

Background: It is approximately 100 years in the future. A base has been set up on the Moon and further settlement is ongoing (total population ~1000). The first interplanetary research base has ...
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3 votes
7 answers
187 views

What would inter-system economy and communication look like in a Pre-FTL space colonization future? [closed]

Suppose the world is fairly grounded in real physics (I consider Star Trek relies on way too much space-magic and overly optimistic projections of human accomplishments in the 23-24th century). The ...
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7 votes
6 answers
424 views

How would technological development be different on a lifeless planet?

Space is mostly empty. There are few planets which could be life sustaining and even on those we are unlikely to find anything living (unless we contaminate). This means that on planets beyond our ...
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-2 votes
4 answers
207 views

How to keep the peace after an attempt to colonize an inhabited planet?

We messed up. Space colonization is tricky. Sometimes, things go awfully wrong with space colonization. This is the year 2451 and we've just had a failed colonizing expedition, with grave consequences....
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-1 votes
2 answers
119 views

How to survive on earth like planet with no supplies at the start [closed]

Before I start, I would like to explain the purpose of this series. A few days ago, I had a big project where I had to a design a prompt for everyone to write about. So for the next few weeks, I will ...
40 votes
12 answers
5k views

Differences in mindset between people born in space and people born planetside

In my world, humanity has populated the stars and now lives in isolated groups in single star systems. Most people never leave the system they were raised in [interstellar travel is very unusual, but ...
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3 votes
4 answers
119 views

What habitat is the most likely to be used in this location and state of development on Mars?

In my story, people have been on Mars for around 15 years in the mid to late 2040s. The base lies in Arcadia Planitia, where the atmosphere is slightly thicker, offering greater radiation protection. ...
  • 2,573
12 votes
17 answers
6k views

What would cut off a Mars base from Earth's support for an extended period of time?

Consider a Mars base, circa the 2040s. A joint NASA and SpaceX mission proved successful in the 2030s, and now a real colony is starting to develop. SpaceX has brought a good number of people to the ...
  • 2,573
4 votes
3 answers
116 views

Can cosmic rays be considered as a "galactic resource" in a hypothetical planetary colonization science fiction world?

Like a star's energy, planetary biomass, etc are precious resources for any spacefaring civilization. Can cosmic rays (for producing energy, causing beneficial but erratic effects like hulk's body ...
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6 votes
3 answers
515 views

Where would be the most likely location for an early Mars base?

Quite simply, given considerations like radiation protection, locations of scientific interest, local resources for building construction, water, propellant production, mining, etc, what would be the ...
  • 2,573
0 votes
0 answers
53 views

What type of calendar can use people after colonization of solar system and other stars? [duplicate]

I'm making game about distant future where people colonized space. They live at Earth, Moon, Mars, Venus, Mercury, gas giants moons and also on exoplanets. If I use Earth calendar, it will be ...
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3 votes
5 answers
304 views

Most of Solar System is colonized but Earth dies with most of knowledge and technology. What the colonists may do to rebuild the civilization?

Suppose it happens some 250-300 years in the future. There are some (medium-sized) cities on Mars, settlements throughout Solar System, an interplanetary communications network, many orbital space ...
  • 4,806
5 votes
2 answers
388 views

What will real space vehicles look like in the future?

Most sci-fi today is imho unimaginative and unrealistic when it comes to future orbital and interplanetary vessel design. What will spaceships and habitats look like when we build them in zero-g using ...
  • 6,056
14 votes
13 answers
5k views

Does a space government make sense?

Mothership to space vehicle EU W2775LV be like "pay taxes!" Space vehicle EU W2775LV be like "no!" And flies away in the distance. On earth we are kind of stuck living with one ...
  • 1,732
2 votes
1 answer
46 views

Is there any data that would indicate a correlation between stellar metallicity and the actual metal content of bodies in orbit?

Metallicity measures the heavy element load of a star, heavy being defined as "not Hydrogen or Helium", but doesn't give a direct indication as to how much of a star is what might be called &...
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4 votes
6 answers
1k views

Landing humans on Venus - MacGuffinite

NASA, SpaceX, CNSA... all organizations in space right now seem to have their eyes on the Red Planet. But what if that were to change, and the main goal of manned spaceflight redirected towards Venus? ...
  • 882
2 votes
2 answers
106 views

Tools for workshopping celestial body orbits

I am working on a scifi setting that mostly takes place among the moonlets and boulders of a gas giant's ring system. The humans living in this world travel slowly, in primitive spacecraft, between ...
2 votes
2 answers
177 views

Could humans survive in the solar system if the earth was destroyed? [closed]

In this setting humans have settled all around the solar system but the bulk of the population is still in earth however an asteroid wiped out all life. Now can humans sustain themselves with whatever ...
4 votes
7 answers
258 views

Do aliens need to invade humans? [closed]

Everything has gravity, even the smallest things. NASA and ESA considered using drones and rockets rotating around asteroids to to pull them away with their gravity in order to avoid apocalyptic level ...
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