NASA fixes Hubble gyroscope by turning it off and on again

Hubble's designers prepared for gyroscope failure by equipping the observatory with a backup. Unfortunately, when one of Hubble's gyroscopes conked out in early October, the backup didn't work as expected -- it was rotating too fast and hence won't b... https://ift.tt/2R9ZnTy Mariella Moon October 24, 2018 at 06:00AM