Hubble Space Telescope Is In Safe Mode After Gyro Failure
It was originally asserted that the telescope required three working gyros.  Later a method was devised to operate using two. [1]<p>Background information describing Hubble&#x27;s Pointing Control System.<p><a href="https:&#x2F;&#x2F;www.spacetelescope.org&#x2F;about&#x2F;general&#x2F;gyroscopes&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.spacetelescope.org&#x2F;about&#x2F;general&#x2F;gyroscopes&#x2F;</a><p>[1] 2005 article:  <a href="https:&#x2F;&#x2F;www.newscientist.com&#x2F;article&#x2F;dn7051-gyro-sacrifice-may-extend-hubbles-life" rel="nofollow">https:&#x2F;&#x2F;www.newscientist.com&#x2F;article&#x2F;dn7051-gyro-sacrifice-m...</a>