5min chapter

Into the Impossible With Brian Keating cover image

Freeman Dyson (#301)

Into the Impossible With Brian Keating

CHAPTER

Dyson Spheres - What Is the Idea Behind Them?

Dyson spheres are thought to have been inspired by the work of science fiction author Olaf Stapleton. The idea that aliens could be orbiting stars in big balloons actually comes from a book called Star Maker, which is one of my favorite science fiction books. But unfortunately I used the word biosphere to describe the habitat of these aliens you were looking for and they would be living in some kind of an environment. What you would actually see was the warm outside surface of whatever the aliens had built.

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