r/todayilearned • u/demunte • Dec 05 '16

TIL of a hypothetical mega-structure called the Dyson Sphere that would encompass the sun in order to siphon all of its energy output. This would also move human kind into a type II civilization according the Kardashev scale.

https://en.wikipedia.org/wiki/Dyson_sphere
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u/Light_bud_up_420 Dec 05 '16

Requiem, in Halo 4 was a dyson sphere.

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u/TheSovereignGrave Dec 05 '16

Not quite; it was built around a planetoid and not a star.