Illustration of a solar sail above the Earth. Researchers have proposed using a lightweight sail propelled by laser light to go to another star system. A sailboat moves forward when the wind blows up ...
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A startup plans to sail through space using sunlight
How solar sailing actually works At its core, solar sailing is a deceptively simple idea: instead of firing a rocket, a spacecraft spreads a thin, mirror-like sheet that catches sunlight and turns its ...
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