Hubble's Mr. Fix-It

Astronomer and astronaut John Grunsfeld ‘80 helped give the Hubble Space Telescope its final makeover.

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John Grunsfeld ’80 heading into the airlock on Space Shuttle Atlantis during spacewalk preparation on STS-125, the May 2009 mission to service the Hubble Space Telescope.

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Grunsfeld buttoned up in his Extravehicular Activity (EVA) spacesuit prior to a spacewalk on STS-125.

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Grunsfeld riding on the robotic arm during EVA5 preparing to replace one of the Hubble Space Telescope batteries.

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With Earth in the background, Grunsfeld hangs out on the Hubble while beginning the task of installing the Cosmic Origins Spectrograph.

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At the end of the 5th spacewalk, Grunsfeld takes a moment to take a picture with the EVA camera of his spacewalking partner Drew Feustel doing a headstand in the payload bay.

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On STS-109 in 2002, Grunsfeld signs a thumbs-up during a spacewalk to upgrade the Hubble Space Telescope, with Earth reflected in his visor.

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During STS-125, Grunsfeld proudly displays his brass rat He didn’t wear it in the spacesuit during his spacewalks, however. “I didn’t want to cut a hole in my suit and die,” he explains.

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