Astronauts at work on Hubble
Date: 24 May 2009
Satellite: Hubble Space Telescope
Depicts: Astronauts at work on Hubble
Astronauts Andrew Feustel (partially obscured at top) and John Grunsfeld work to install the new Cosmic Origins Spectrograph (COS) onboard the NASA/ESA Hubble Space Telescope on the third spacewalk of Servicing Mission 4.
Last Update: 1 September 2019