Questions tagged [habitats]

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6 votes
6 answers
1k views

Can I spin 3753 Cruithne and keep it spinning?

I am planning to build a habitat with close to Earth gravity on asteroid 3753 Cruithne. I would dig a circular tunnel (or series of parallel tunnels) deep under the surface, with a radius of 4 ...
15 votes
8 answers
3k views

Where do forge-worms live outside of forges?

Forge-worms are large bugs which flutter about the hearths of forges. They rely on the high temperatures of the forge to stay active and immediately fall into torpor when their body temperature falls ...
2 votes
1 answer
191 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 ...
4 votes
2 answers
353 views

Breathable air on large space habitat with no water?

I am theorising a scenario in which humans land on a continent-size space habitat of alien origin (probably a rotating habitat). The gravity is similar to Earth's (96/97% of Earth's) and the air is ...
3 votes
1 answer
112 views

Critical animal species for temperate rainforest climate

On my terraformed exoplanet, the largest habitable land masses are primarily covered with temperate rainforests (average temperatures from 8 to 18 C) Assume for this question that the bottom of the ...
3 votes
3 answers
175 views

What to do so the sun (light source) appears to be following a daily cycle on a McKendree cylinder?

In my setting, a McKendree cylinder (a rotating habitat so large it holds its own atmosphere) is orbiting the sun, with the top of the cylinder pointing at the sun. How do we make the sun appear to ...
15 votes
5 answers
5k views

What is the most efficient crop for converting kilowatts of UV light into calories people can eat?

If a group of people live in a closed loop environment, with all energy coming from a reactor. What crops would you grow if you only care about keeping people fed for the absolute minimum amount of ...
2 votes
2 answers
204 views

Spaceship habitat size

I need a spaceship habitat for a million humans, comfortably, for indefinite time. I have read many questions around here, perfectly answered, about the size a spaceship should be to store enough ...
3 votes
3 answers
406 views

Best materials to build a worldhouse roof

In an imagined sci-fi universe where immense space habitats and constructs are common (however, nothing reaching nearly the size of a Niven Ring) one of the many forms are worldhouses: planets ...
7 votes
4 answers
983 views

Would a rotating habitat work on the surface of a moon?

While we hear a lot about rotating habitats as a space structure, I happen to know there are a large number of small worlds and moons out there cursed with low gravity, which has a similar effect to ...
4 votes
2 answers
385 views

How would the 'sky' look in a Stanford Torus?

I hope this is focused enough: my question boils down to: "How do people living in a Stanford Torus experience the sky?" Context: Operating on the assumption that we're in a fairly typical ...
6 votes
15 answers
3k views

Is there any practical reason to keep a primitive civilization on an artificial habitat

A planet with an early civilization (Middle age like) is doomed to be destroyed by an unstoppable event. So an advanced civilization decides to do a planetary evacuation to save the species and their ...