Question

What is Dyson sphere.​

Answer 1

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Answer 2

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What is Dyson sphere.

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➡️ A Dyson sphere is a hypothetical megastructure around the star, that completely encompasses a star and captures a large percentage of its power output.

➡️ A Dyson sphere would consist of orbiting solar collectors in the space around the star of an advanced civilization.

➡️ The goal would be to ensure a significant fraction of the star's energy hits a receiving surface where it could be used to the civilization's benefit.

➡️ It is intended to capture as much as possible of the power output of the star, and should be a distinctive characteristic of a civilization able to control the resources of a planetary system.

➡️ The first contemporary description of the structure was by Olaf Stapledon, in which he described "every solar system surrounded by a gauze of light traps, which focused the escaping solar energy for intelligent use."

➡️ This concept was later popularized by Freeman Dyson. He speculated that such structures would be the logical consequence of the escalating energy needs of a technological civilization and would be a necessity for its long-term survival.