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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12 votes
9 answers
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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 ...
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  • 2,402
5 votes
4 answers
196 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 ...
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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
0 answers
61 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 ...
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1 vote
0 answers
35 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 ...
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13 votes
6 answers
668 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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  • 1,007
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 ...
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-3 votes
2 answers
174 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 ...
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7 votes
3 answers
264 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], ...
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0 votes
0 answers
101 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 ...
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2 votes
1 answer
127 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 ...
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8 votes
4 answers
743 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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  • 872
3 votes
7 answers
178 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
417 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
198 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
118 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 ...
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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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  • 740
3 votes
4 answers
103 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. ...
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  • 2,441
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 ...
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  • 2,441
4 votes
3 answers
113 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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  • 43
6 votes
3 answers
482 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 ...
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  • 2,441
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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  • 109
3 votes
5 answers
289 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 ...
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  • 4,744
5 votes
2 answers
379 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 ...
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  • 6,006
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 ...
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  • 1,732
2 votes
1 answer
43 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? ...
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  • 872
1 vote
1 answer
76 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 ...
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2 votes
2 answers
174 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 ...
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4 votes
7 answers
242 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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5 votes
2 answers
147 views

How big do a fusion reactor and bank of capacitors following it up have to be to power a mass driver into space?

(Hi, please be kind - first poster. Also, didn't know if it'd be allowed to put hard-science on something like this, so going with ...
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  • 151
8 votes
7 answers
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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  • 2,854
7 votes
6 answers
1k views

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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  • 587
4 votes
2 answers
202 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 ...
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  • 587
7 votes
5 answers
228 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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  • 587
9 votes
10 answers
2k views

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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  • 587
9 votes
5 answers
2k views

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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  • 101
2 votes
3 answers
170 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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  • 592
10 votes
5 answers
2k views

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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6 votes
4 answers
237 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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  • 7,057
2 votes
2 answers
108 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 ...
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  • 2,640
3 votes
1 answer
184 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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  • 1,165
4 votes
2 answers
192 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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6 votes
4 answers
406 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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4 votes
3 answers
278 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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2 votes
2 answers
244 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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1 vote
2 answers
255 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 ...
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  • 151
4 votes
3 answers
832 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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15 votes
10 answers
2k views

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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