Esprit S.F.

S.F. F. & F. Culture (Science-Fiction, Fantasy & Fantastic)

Dico S.F. – Solar sail

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A solar sail (or light sail, or photon sail) is a theoretical (but currently seriously under study) device which allows to propel a spacecraft by the pressure exert on the sail by the photons emitted by the sun, like a sailing boat propel by the wind.

This pressure being very weak, a solar sail must have a very large surface for the propulsion force be measurable.

Matching words:  Photon, Spaceship

Examples :

  • Les Voiliers du soleil, by the French author Gérard Klein
  • The Flight of the Dragonfly, by Robert Forward
  • Star Trek: Deep Space 9, 3×22 episode « Explorers »
Updated: 6 April 2020 — 11 h 54 min
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