STS-125 Mission Specialist Mike Massimino works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting space shuttle Atlantis.
Massimino and Michael Good (out of frame) participated in the second session of STS-125 extravehicular activity – as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.
Photo credit: NASA
May 15, 2009
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