In this historical photo from the U.S. space agency, Astronaut F. Story Musgrave, anchored on the end of the Remote Manipulator System (RMS) arm, prepares to be elevated to the top of the Hubble Space Telescope (HST) to install protective covers on the magnetometers. Astronaut Jeffrey A. Hoffman inside payload bay, assisted Musgrave with final servicing tasks on the telescope, wrapping up five days of space walks.
Each weekday, SPACE.com looks back at the history of spaceflight through photos (archive).