Light Sail-2 Uses Sunlight To Control A Small Satellite

Credit: The Planetary Society

Light Sail-2 (LS-2), a largely crowdfunded solar sail project that could one day help resupply human missions to Mars, received a boost from the success of a spacecraft propulsion demonstration. Within days of the July 23 deployment of its 32-m 2 (344-ft. 2 ) solar sail, the 11-lb. LS-2 small...

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