| Total EVAs: | 8 | ||
| Total EVA time: | 58h 30m |
| No. | Date | Together with | Time | Main tasks and notes |
| 1 | 22.12.1999 | S. Smith | 8h 15m |
HST-SM-03, replace gyroscopes |
| 2 | 24.12.1999 | S. Smith | 8h 08m |
HST-SM-03, replace data recorder |
| 3 | 04.03.2002 | R. Linnehan | 7h 01m |
Installing a new generation solar array on the
starboard side of the
HST |
| 4 | 06.03.2002 | R. Linnehan | 6h 48m | |
| 5 | 08.03.2002 | R. Linnehan | 7h 20m |
Installing the experimental cooling system (Cryo
Cooler), replacing the solid nitrogen cooler of
NICMOS |
| 6 | 14.05.2009 | A. Feustel | 7h 20m |
Replacing a wide field camera. They also swapped
out three batteries and installed a mechanism for a spacecraft to capture for
de-orbit at the end of the telescope's life. |
| 7 | 16.05.2009 | A. Feustel | 6h 36m |
Installing the Cosmic Origins Spectrograph, a
device that will perform spectroscopy, the science of breaking up light into
its individual components. The astronauts also conducted repairs to the
Advanced Camera for Surveys, which has experienced power failures, causing two
of the telescope's three observing channels to stop operating. |
| 8 | 18.05.2009 | A. Feustel | 7h 02m |
Replacing a sensor needed for pointing the
telescope and install another blanket on Hubble's exterior. |