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Crowdfunded LightSail 2 Spacecraft Flys On Sunlight Alone

     Space exploration nonprofit The Planetary Society is celebrating a stack of wins today, after announcing that its LightSail 2 spacecraft, which was funded in part through a crowdfunding campaign, has managed to successfully fly on the power of sunlight alone. It raised its orbit after initially being
By Darrell Etherington

put into position by a Falcon Heavy launch and its own conventional thrusters, climbing by about two kilometres (about 1.2 miles) from its initial orbit using only the force exerted by photons from the sun bouncing off the surface of its Mylar sail.

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