The Hubble Space Telescope has been sidelined by a serious pointing problem.
NASA announced that one of Hubble’s gyroscopes failed last Friday. While that was expected — that particular gyro was expected to go sometime this year — the surprise came when a backup did not kick in properly Saturday.
As a result, Hubble remains in so-called safe mode and all science observations are on hold.
The 28-year-old telescope has had trouble with its gyroscopes before. Spacewalking shuttle astronauts replaced all six in 2009 during the final servicing mission. Three of them are now considered unusable.
“I think Hubble’s in good hands right now, I really do,” said Kenneth Sembach, director of the Space Telescope Science Institute, which operates Hubble.
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