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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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Why can’t we export everything needed to heat mars up from earth. So why not use the things that are heating earth right now on mars. We have enough [closed]

If we want to warm up mars, exportion is the solution. Cows, produce about 200-500 methane. burning fossil fuels total about 34 billion tonnes of carbon per year. About 45% of this is from coal, about ...
matt tune's user avatar
5 votes
3 answers
1k views

Would mining asteroids cause meteorites

I wanted to know if the mining of Asteroids would cause a problem with meteorites for nearby planets. Like if a company came in and started blowing up moons, asteroids or dwarf planets would the ...
Tycho's user avatar
  • 155
1 vote
1 answer
155 views

How long would a post-apocalyptic space colony take to recover modern levels of technology?

I'm currently working on a little project. The scenario I'm asking about here is not a "lost colony" type scenario, but instead where a series of space colonies (primarily, but not ...
TerranGames's user avatar
0 votes
6 answers
2k views

Is it possible to relocate a planet? Specifically Jupiter [duplicate]

My world, Anyare, has too many people on it. Instead of having a disaster, I want them to colonize another planet. Like Jupiter. By using Jupiter’s gases, and by attaching a giant propeller, is it ...
HankyH's user avatar
  • 25
5 votes
2 answers
226 views

Technological Progress and Regress among interlunar Societies

All the species mentioned here use hands in order to manipulate their environment. They are all very human-like in their abilities and capabilities (except for the statements below), they are ...
Ben's user avatar
  • 113
2 votes
1 answer
117 views

Soft-Science-Fiction: How could i make the radiation of this star be less lethal to life?

Im working on a project which is based on several worlds orbiting around a white star like Sirius. Sure life won't form there like we know it on earth because these stars are too short lived and ...
Zadai.Fehbiab's user avatar
7 votes
6 answers
2k views

Stealth on Titan (ground vehicles against satellites)

Titan is a shrouded moon, cloaked in a dense haze that obscures its surface to direct visual observation. Cassini, when it visited, had to rely on radar and near infrared imaging to see the surface [...
Wavedash's user avatar
  • 357
0 votes
2 answers
134 views

Aftermath of a Limited Nuclear Exchange [closed]

Realistically, what factors might limit a nuclear exchange between NATO and Russia, such that the bulk of humanity could survive and be a spacefaring civilization in, say, 300 years?
ajderxsen's user avatar
  • 121
7 votes
3 answers
784 views

Feasibility of a bio-engineered, floating tree lifeform in the Venusian atmosphere?

Would it be possible, given many advances in genetic engineering that today remain speculative, to design a lifeform capable of withstanding the hostile conditions of the Venusian atmosphere? I'm ...
Aeolian's user avatar
  • 71
12 votes
14 answers
2k views

What kind of alien technology would make space colonization viable?

This isn't about what kind of technology would make spaceflight easier, this is about what kind of a discovery would incentivize world superpowers to aggressively invest in spaceflight. I'm asking ...
TerranGames's user avatar
5 votes
10 answers
2k views

Do internal combustion piston engines have a place in an interstellar civilization?

So purely electric vehicles are clearly the future. Battery tech is getting better every day and EVs are gradually getting cheaper. However, they don't sound cool. They don't really sound like ...
BigDumb's user avatar
  • 377
18 votes
9 answers
6k views

How does an explorer civilization survive the Dark Forest Scenario?

The Dark Forest hypothesis is one put forth by author Liu Cixin in a novel named thus, which essentially revolves around three primary assumptions: There is life everywhere throughout the galaxy - ...
controlgroup's user avatar
  • 4,936
1 vote
3 answers
234 views

How to build a world with magnetic levitation?

Picture this: Alpha Centauri Cb (AC) has 14% Earth's oxygen 110% Earth's gravity A 60-hour day/night cycle 240-hour orbit (10 Earth days = 1 AC year) Eccentricity produces all 4 seasons in 4 days ...
reiterwriter's user avatar
5 votes
4 answers
899 views

Large-Scale Biospheres on Mars

I've been researching the idea of spreading out vast sheets of aerogel across regions of Mars. This would theoretically have the effect of both warming whatever land is under the sheet - thus melting ...
ajderxsen's user avatar
  • 121
6 votes
4 answers
1k views

How would an alien civilization equivalent in advancement to humans today hide their existence from future humans?

160 light-years from Earth, 1000 years in the future, exists an alien civilization roughly equal in its technological advancement to modern civilization on earth. They fear the possibility of the ...
cxnhgfh's user avatar
  • 69
12 votes
12 answers
10k views

Why isn't the Solar System infested with space pirates?

In the universe in question, interplanetary travel has just about been perfected: a type of fusion reactor that doubles as an engine can produce large thrust on account of the extremely high exhaust ...
controlgroup's user avatar
  • 4,936
12 votes
7 answers
4k views

What is the lowest tech level that could sustain life on Mars or the Moon?

Inspired by this question, which asks how we could achieve a "backup" of human life. Mars came up as an obvious idea, but with the caveat that it is nigh impossible to keep a Mars colony ...
fgysin's user avatar
  • 3,240
11 votes
11 answers
3k views

What would space equivalent of trucks look like? [closed]

I'm writing a story and the peoples' given profession is basically "space truckers": delivering small-to-medium containers of cargo across long distances in the galaxy. Because the journeys ...
E. Delaney's user avatar
2 votes
4 answers
811 views

Chosing civilization types for an interstellar galaxy-wide world [closed]

So, I need multiple civilizations interacting in an interstellar world of the size of a galaxy. But my current view now is that all interstellar civilizations will be AI-driven and based and ...
Anixx's user avatar
  • 5,316
-4 votes
2 answers
131 views

Space colony equal socialism?

So I have an idea that space colonies will be funded by corporations so they can get the planet's resources, much like with the new world colonies. But since the ones in charge are controlling all the ...
Joe Smith's user avatar
  • 3,192
-1 votes
2 answers
240 views

What training would prepare you to colonize Alpha Centauri Cb?

It's 100 years in the future. 7 strategic, catastrophic bombs fell on Earth 55 years ago. Billions died. Countries, governments collapsed. Corporations rose, mega-companies who rule the world, ...
reiterwriter's user avatar
2 votes
5 answers
1k views

Bullet resistant space armor material

I'm currently developing a world in which humanity has colonized Mars. Armed bandit attacks are common, and military enforcers are necessary to eliminate these threats. Most combatants use firearms in ...
alkahest's user avatar
  • 1,397
-1 votes
3 answers
137 views

How would a government lay claim over a Space Colony that it never founded? What legal arguments could they make to cite it’s always been theirs? [closed]

I’ve read some books with a premise of leaving an increasingly centralized and decadent Earth for the stars before it heads a turn for the extra worse Part of their premise is Earth Governments ...
GreatReset2030HopefullyNot's user avatar
0 votes
0 answers
43 views

what is the minimum size for a human settlement to ensure genetic diversity? [duplicate]

assuming pretty good access to things like food and water, and a regular to slightly extended lifespan, would a population of ~120ish adults be enough to avoid inbreeding issues over time? basically, ...
zbird's user avatar
  • 43
1 vote
5 answers
246 views

How would researchers on an alien planet be able to support their dietary requirements?

A group of scientists travels to a newly discovered planet shown to support life in the form of plants and animals. Obviously they can only bring so much food with them so at some point they would ...
PompousPamplemouse 's user avatar
1 vote
5 answers
691 views

What would motivate a spacefaring civilization with access to effectively infinite resources to expand [closed]

I'm developing sci-fantasy setting in which the Home Planet was destroyed in an extinction level screw-up by a bunch of wizards, but a few thousand individuals were able to flee into space, and then ...
Cedaratlantica's user avatar
4 votes
1 answer
1k views

Could this hypothetical Super-Earth support human life?

The Question Could this hypothetical Super-Earth (Planet Y) support the lives of human settlers arriving from off world, or have I created any reasons for the planet to be inhospitable? Planet Y Star: ...
DangItBilly's user avatar
14 votes
10 answers
4k views

Is a society where children are entirely raised by boarding schools sustainable?

In my previous question, I brought up a hypothetical society where children aren't raised at all by their biological parents. Instead, the children are taken care of by hospital staff for the first ...
Rhymehouse's user avatar
  • 3,679
8 votes
3 answers
774 views

Could this hypothetical Sub-Earth support human life?

The Question Is a theoretical 2/3rds - 7/10ths Earth big enough to have the magnetic field, atmosphere and plate tectonics to do this, or will I wind up geologically killing the planet? I have been ...
DangItBilly's user avatar
7 votes
6 answers
1k views

Possibility of forced labour on a comet

Something I've pondered in a work of mine, in which a corrupt authority figure threatens the protagonists with being sentenced to forced labour "chiseling ice off of (insert name here) comet.&...
king of panes's user avatar
4 votes
2 answers
747 views

Spacecraft Design of a Cold-Blooded Humanoid Race

I was talking with a friend recently and he reasoned that a cold-blooded race would take longer to get to space, but survive more easily once the technology progressed enough. The rationale was that a ...
hjk321's user avatar
  • 195
1 vote
1 answer
98 views

Fluvial systems: Are they necessary for human survival in domed cities on waterless planets

A world with a natural water cycle has rivers which generate a lot of transportation and ecological benefits. But gravity and sunlight drive those engines. An artificial domed community doesn’t have ...
Vogon Poet's user avatar
  • 8,169
2 votes
2 answers
217 views

Why would lunar megacorps install a government in this scenario? [closed]

The year is 2170. Ish. Humans have colonised Mars, but the planet has yet to rival the economic might of other solar system worlds. As of yet, the main colonial power in the sol system is our own ...
user98816's user avatar
  • 8,657
14 votes
9 answers
4k views

How to make a Stanford torus start rotating?

The notion of using the so called Stanford torus to generate artificial gravity is well known, but once you build the mega-structure how do you make it start rotating? Do you rotate somehow from the ...
Vivaan Daga's user avatar
-1 votes
2 answers
152 views

How does a Person survive an intergalactic voayage?

Intergalactic voyages are long, they go over quite large distances, but you, a human in the Milky Way, want to see a galaxy beyond our own with your own eyes and live there. At 99% the speed of light, ...
skout's user avatar
  • 2,058
4 votes
2 answers
726 views

How Much of the Universe Could Humanity Conquer?

Imagine that less than a million years from now, probably in the hundreds of thousands, humanity has spread throughout the galaxy. There are afew aliens here and there, but that is insignificant, they ...
skout's user avatar
  • 2,058
1 vote
1 answer
83 views

Regulations Regarding Artificial Embryos In Space Colonization [closed]

With natural reproduction in space having significant issues and drawbacks, such as the presence of microgravity causing either minor or severe detrimental alterations to human physiology, scientists ...
MDGouf's user avatar
  • 97
10 votes
8 answers
4k views

Are interstellar penal colonies a feasible idea?

I've been exploring the idea of an interstellar penal colony or prison planet from a realistic perspective. This idea is featured in many science fiction stories, but I've never really thought deeply ...
bamjo's user avatar
  • 113
2 votes
1 answer
200 views

Ideal location for settlement on Bishop Ring Space habitat

let's take a Bishop Ring, with a diameter of approximately 1800km, 460km wide and with retention walls 150 km tall. At the centre of the ring there is an artificial sun that recreates a day/night ...
Haiwas's user avatar
  • 113
2 votes
2 answers
260 views

Ways to harvest hydrogen (apart from sun and giant planets)

Various posts and articles discuss the possibility to harvest hydrogen (but also Helium etc...) from the Sun or the giant planets, Uranus appearing the be the most favourable for this operation. Is ...
Haiwas's user avatar
  • 113
12 votes
7 answers
3k views

What earth crops could be grown on a high gravity (1.5-3g) planet?

I feel like there must be a lot of factors here from the actual structural rigidity of the plants, to how well capillary action functions in higher gravity, to how well cellular mechanisms such as ...
Adam Kabbeke's user avatar
  • 1,973
6 votes
16 answers
2k views

Why are interstellar colonists lone rangers? (Not-so-far future version)

This question is inspired by Why are interstellar colonists lone rangers?. I know that many of its answers are also suitable for this questions. However, I am more interested in ideas that work with ...
Rynco Maekawa's user avatar
4 votes
1 answer
128 views

Aeroponic farming in a gas giant

In the setting of my projects there is a gas giant (with a mass of about 3 jupiters) that migrated within the habitable zone, as such it's outer atmosphere would feature plenty of water wapor and have ...
JuimyTheHyena's user avatar
5 votes
6 answers
3k views

Is this a viable theoretical method of fast interplanetary space travel?

Let's say in the future humanity has traveled to all parts of the solar system, but they want to be able to travel between planets faster. In pursuit of this, they create massive space probes with ...
SlowlySwift's user avatar
2 votes
1 answer
173 views

Nose-wrestling for political power - Is a human trunk possible in terms of evolution?

In the far future, a planet in the Milky Way that was colonised by humans 500,000 years before has developed nose-wrestling as a means of establishing dominance. This is thought to have begun with a ...
chasly - supports Monica's user avatar
5 votes
5 answers
143 views

Growing space on an early planetary colony

So, humans in the distant future have launched a sleeper ship to a new solar system. Having shed its light-sails in orbit, the vessel has crash landed on it’s intended World; a barren mars-like planet....
user98816's user avatar
  • 8,657
19 votes
12 answers
5k views

A laser-propelled starship loses its decelerating beam; what options do they have to slow down?

New to the site, and like many others here, I've been bouncing around a few ideas for a hard sci-fi short story with some friends, centered around an interstellar voyage to colonize a habitable world. ...
Interdimensional Nomad's user avatar
-3 votes
3 answers
132 views

Why would multiple off-world colonies secede all at once? [closed]

So, we have a situation where various Earth countries, (the Republic of Alaska, the United States of Europe, etc) now all have colonies on Mars, over venus and under the surface of Mercury. Technology ...
user98816's user avatar
  • 8,657
2 votes
8 answers
444 views

Justifying why the birth of a post-scarcity world would cause other planets to secede

So, in roughing out the basic historical timeline of this project o’ mine, I have decided that the two most important aspects of the 24th century are: 1st, the birth of a post-scarcity on Earth, ...
user98816's user avatar
  • 8,657
20 votes
20 answers
4k views

How will corporations ensure return on investment for funding slower than light colonization efforts?

Let's say a future world where faster than light communication exists, but not faster than light travel. There is a desire to colonize other worlds outside the solar system, but it's massively ...
dsollen's user avatar
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