9 years ago
Bill Nye's LightSail spacecraft wakes up, unfurls sail on second attempt
Nothing has been easy for the small, relatively cheap LightSail spacecraft, which is the first in a series of at least two such satellites that will fulfill a vision the famous science educator Carl Sagan had in the 1970s, about surfing through space on the energy of the sun. On Sunday, the LightSail spacecraft, failed its first attempt at unfurling its basketball-court-sized sail, but succeeded during a small, second window of opportunity that had lower odds of succeeding.
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