Hubble Instruments Slated for On-Orbit 'Surgery'

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Astronaut Andrew Feustel practices installing the Fastener Capture Plate on an underwater mockup of the Advanced Camera for Surveys at the Neutral Buoyancy Laboratory in Houston. Astronauts will attempt to repair the instrument during Servicing Missi ...
Astronaut Andrew Feustel practices installing the Fastener Capture Plate on an underwater mockup of the Advanced Camera for Surveys at the Neutral Buoyancy Laboratory in Houston. Astronauts will attempt to repair the instrument during Servicing Mission 4 to Hubble. Credit: NASA

When astronauts visit the Hubble Space Telescope in October 2008 for its final servicing mission, they will be facing a task that has no precedence – performing on-orbit ‘surgery’ on two ailing science instruments that reside inside the telescope – the Space Telescope Imaging Spectrograph (STIS) and the Advanced Camera for Surveys (ACS).


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