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NASA’s planet-hunting Kepler Space Telescope is almost out of fuel (19 Photos)
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After just over nine years in flight, looking deep into the Milky Way Galaxy, NASA’s Kepler spacecraft is nearing its end. Having survived numerous potential knockouts, from cosmic ray blasts to mechanical failures, Kepler is almost out of fuel and is expected to only have a few months worth left, marking the end of an extremely successful mission.