text: Jul 6, 2016: Astronaut Kathryn Thornton, on the Space Shuttle Endeavour's Remote Manipulator System arm, performs a spacewalk to service the Hubble Space Telescope. This activity included changing solar array panels during the 11-day STS-61 mission in December 1993.
  
  Credit: NASA
  
  flic.kr/p/JJMcZ