View of STS-125 Mission Specialist 4 (MS4) Mike Massimino during Hubble Space Telescope (HST) Rate Sensor Unit (RSU) removal and replacement operations. He is inside the HST working near Fixed Head Star Tracker (FHST) 2. Photo taken during the second session of Extravehicular Activity (EVA2).
Information
Taken in
Space
Author
NASA
Description
View of STS-125 Mission Specialist 4 (MS4) Mike Massimino during Hubble Space Telescope (HST) Rate Sensor Unit (RSU) removal and replacement operations. He is inside the HST working near Fixed Head Star Tracker (FHST) 2. Photo taken during the second session of Extravehicular Activity (EVA2).