The Two-Way
Originally published on Thu May 16, 2013 8:09 am
The planet-hunting career of NASA's Kepler spacecraft might be near its end.
Astronomers said Wednesday that a reaction wheel that keeps the orbiting telescope pointed at tiny, distant patches of sky to look for Earth-like planets has failed. If they can't fix it, Kepler will be relegated to a less prestigious mission, directing its gaze much closer to home in a search for so-called "near-Earth objects," i.e., meteors and asteroids.
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