Abstract

Thirty years ago Dyson (1960) suggested searches for artificial stellar sources of infrared radiation. Dyson offers a scheme in which planets are broken down and reconstructed into a swarm of individual fragments in the form of a spherical shell. A Dyson sphere effectively absorbs visible light from the central star and utilizes it as an energy source. The exterior of the Dyson sphere radiates infrared radiation into space as waste heat. Because of the large dimensions of the sphere, the infrared radiation from the Dyson sphere should be detectable over distances of several hundred light-years.

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