One of the planet-hunting Kepler space telescope’s reaction wheels — devices that maintain the observatory’s position in space — remains balky despite mitigation attempts, NASA said April 29. The ...
WASHINGTON — A reaction wheel on NASA’s Kepler spacecraft continues to experience elevated levels of friction after a brief rest period, but project officials say that does not necessarily imply an ...
NASA's $600 million Kepler Space Telescope, a leading player in the hunt for Earth-like planets orbiting sun-like stars, has been sidelined by problems with stabilizing gyroscopic reaction wheels ...
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