WEBVTT FILE 1 00:00:00.000 --> 00:00:06.560 “Liftoff of the Space Shuttle Discovery with the Hubble Space Telescope, our window on the universe!” 2 00:00:06.560 --> 00:00:18.000 In 1990, the Hubble Space Telescope was launched into space to be our window to the universe. 3 00:00:18.000 --> 00:00:27.683 Since then, Hubble has provided the world with its stunning images of the cosmos. 4 00:00:27.683 --> 00:00:36.505 But on June 13, 2021, Hubble’s payload computer unexpectedly came to a halt. 5 00:00:36.505 --> 00:00:46.976 The Hubble team attempted to bring the computer back online but with no success. 6 00:00:46.976 --> 00:01:00.000 Team alumni and retirees joined the effort to methodically identify the failure’s cause and possible solutions. 7 00:01:00.000 --> 00:01:15.000 They updated and tested procedures to perform a very complex hardware switch. 8 00:01:15.000 --> 00:01:21.797 On July 15, the team performed 15 hours of spacecraft commanding... 9 00:01:21.797 --> 00:01:30.000 ...and successfully completed the challenging and risky switch to backup hardware. 10 00:01:30.000 --> 00:01:39.172 They then successfully brought the science instruments back online. 11 00:01:39.172 --> 00:01:45.001 Science observations are now flowing again... 12 00:01:45.001 --> 00:01:51.561 …as Hubble continues uncovering the mysteries of the universe. 13 00:01:51.561 --> 00:01:56.817 [ MUSIC ]