STS-125 crew member John Grunsfeld, left, looks on as crew member Michael Massimino holds up a part that was replaced on the Hubble Space Telescope, during a press conference, Wednesday, Sept. 9, 2009, after astronomers declared the telescope a fully rejuvenated observatory with the release Wednesday of observations from four of its six operating science instruments at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)
Photographer NASA/Paul E. Alers
Date September 9, 2009