Named for Freeman Dyson, who originally described the concept in 1960.
- A hypothetical system of orbiting solar power satellites meant to completely encompass a star and capture its entire energy output.
- (science fiction) A solid shell of matter enclosing a star.
Freemann J. Dyson (1960). Search for Artificial Stellar Sources of Infra-Red Radiation. Science 131 (3 June):1667-1668.