In this handout from NASA, Astronaut John Grunsfeld performs work while participating in the first of five scheduled spacewalks while servicing the Hubble Space Telescope May 14, 2009 in Space. The space shuttle Atlantis' mission is to overhaul the Hubble Space Telescope in order to extend its working life.

Photo by NASA / Getty Images

Above: In this handout from NASA, Astronaut John Grunsfeld performs work while participating in the first of five scheduled spacewalks while servicing the Hubble Space Telescope May 14, 2009 in Space. The space shuttle Atlantis' mission is to overhaul the Hubble Space Telescope in order to extend its working life.

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