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Eccentric scientist and teacher BIll Nye will unfurl his solar powered spacecraft on Sunday, bringing to life Carl Sagan's vision of using the sun as a cheap fuel source for space missions.
The LightSail spacecraft has been on a bumpy road, going quiet twice and being revived twice. On Sunday afternoon though, the spacecraft is set to unfurl its 344-square foot sail .
If that maneuver is successful, the spacecraft would bring to life Carl Sagan's vision
By design, once the sail deploys, LightSail won't have much time left in orbit. The prototype spacecraft will fall out of orbit not long after its sail deploys. Because of its slow orbit speed, the sail will create drag in Earth's upper atmosphere, forcing the craft to fall back to Earth soon after it starts sailing.



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