Dyson-sphere Definition

noun

A hypothetical system of orbiting solar power satellites meant to completely encompass a star and capture its entire energy output.

Wiktionary

(science fiction) A solid shell of matter enclosing a star.

Wiktionary

Other Word Forms of Dyson-sphere

Noun

Singular:
dyson-sphere
Plural:
dyson-spheres

Origin of Dyson-sphere

  • Named for Freeman Dyson, who originally described the concept in 1960.

    From Wiktionary

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dyson-sphere