Dyson Spheres: How Advanced Alien Civilizations Would Conquer the Galaxy (Infographic)

Dyson Spheres could provide power for advanced alien civilizations.
By surrounding their star with swarms of energy-collecting satellites, advanced civilizations could create Dyson spheres.
(Image: © by Karl Tate, Infographics Artist)

Ancient extraterrestrial civilizations, millions of years older than humanity, would need enormous amounts of energy. By creating a swarm of satellites in a spherical shell, they could harness much of the power of their star.

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