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Third Spacewalk Completed

Third spacewalk completed

During the six-hour, 36-minute spacewalk servicing the Hubble Space Telescope, STS-125 Mission Specialists Andrew Feustel (left) and John Grunsfeld removed the Corrective Optics Space Telescope Axial Replacement and installed in its place the new Cosmic Origins Spectrograph.

They also completed the Advanced Camera for Surveys electronic card replacement work, and completed part 2 of the ACS repair, installing a new electronics box and cable.

Photo credit: NASA

May 16, 2009

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Apr 17, 2023
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NASA Hubble Mission Team

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