One astronaut perches on the robotic arm and another is only partially visible inside a dark open door on the Hubble Space Telescope. Both astronauts are seen from behind, with Hubble looming before them.

Astronauts Mark C. Lee and Steven L. Smith with Hubble

Mark C. Lee, STS-82 payload commander, inside the Hubble Space Telescope (HST) and Steven L. Smith, mission specialist, on the Remote Manipulator System (RMS) arm are seen removing the Goddard High Resolution Spectrometer (GHRS) during the first extravehicular activity (EVA) of the Hubble Space Telescope's second servicing mission in February 1997.

Credits: NASA