Questions tagged [dyson-spheres]

For questions about space constructs created by advanced civilizations around stars to better harvest solar power.

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Is A Solar Dyson Sphere Habitable?

OK, so we've reached the Clarkian "sufficiently advanced technology" stage, and we can hoover up all the mass in solar system and convert it to something with the tensile strength needed to build a ...
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How and when could a Dyson sphere civilization figure out the shape and size of their sphere?

Kinda inspired by the non-disappearing ship question, but I actually asked this particular question on an unrelated forum a few years ago. Reposting it here (well, paraphrasing, really, since I don't ...
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Brown Dwarves: Dyson Spheres in disguise?

Would a Dyson sphere make a red dwarf appear to be a Brown Dwarf? Would it disguise a star enough to misidentify it what size it is? I'm just wondering if it could be possible that some Dyson ...
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What to do with all the heat in a Dyson Sphere?

In the wake of this, my answer to this question about where to put a Dyson Sphere an apparent issue came up. And it needs some good resolution: What are we going to do with all that heat the system ...
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What is a Dyson Sphere around a planet called?

Imagine that we start expanding the International Space Station until it becomes a ring encircling the whole Earth. Then we started widening the ring until it met at both poles, forming an orbital ...
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Would a Type 2 Kardashev Civilization really build a Dyson Sphere around their own sun?

We are currently estimated to be about 0.7 on the Kardashev Scale. I am interested in the second level of the Kardashev Scale: Type II "A civilization capable of harnessing the energy ...
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How many worlds would you need to mine in order to make a complete Dyson's sphere?

Suppose you were a society with the means to construct a Dyson's sphere (shell), roughly how many earth-sized planets would you need to mine in order to obtain enough minerals to build such a ...
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How would lack of stars , sundials , and compasses affect the exploration age?

In my fictitious universe, a god like entity ( which is an amalgam of all individuals , scientific understanding , capabilities , and tech of a type 3.5 civilization ) produces a sun with the same ...
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Interstellar construction between star systems

Asked a similar question before but didn't think it through and mangled it. Anyway would it be possible to build a structure between two star systems? Basic scenario is that you have two stars ...
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Where do you put a photosynthetic Dyson sphere?

One of the answers to What could make a star green? describes a living Dyson sphere made of photosynthetic, plant-like material. What type of star or star system is ideal for a plant-like Dyson ...
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How would gravity affect a structure that completely encircled the earth

If a circular structure could be built that would wrap around the entire earth, but was of a larger radius, would it 'float' above the earths surface or would it somehow fall onto the surface at some ...
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Geology of a supermassive Dyson sphere

There was a question on here a while ago about lighting a massive Dyson sphere, that has gotten me to thinking. Obviously, such an item needs some unobtainium to build, but ignore that. I'm figuring ...
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How could a Dyson Sphere imitate a natural world?

I'm imagining an impossibly massive, diverse world that could only fit on the inner surface of a Dyson Sphere/Ring or similar megastructure. Would it be possible to design a system such that from the ...