About
S125-E-009593 (18 May 2009) --- Astronaut John Grunsfeld, STS-125 mission specialist, participates in the mission?s fifth and final session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. During the seven-hour and two-minute spacewalk, Grunsfeld and astronaut Andrew Feustel (out of frame), mission specialist, installed a battery group replacement, removed and replaced a Fine Guidance Sensor and three thermal blankets (NOBL) protecting Hubble?s electronics. — NASA JSC · 2009. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
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