Astronaut Kathryn C. Thornton lifts the Corrective Optics Space Telescope Axial Replacement (COSTAR) prior to its installation on the Hubble Space Telescope (HST). Thornton is anchored to a foot restraint on the end of the Remote Manipulator System (RMS) arm. Astronaut Thomas D. Akers, who assisted in the COSTAR installation, is at lower left.
NASA
1993-12-08
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