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Space Topics: Hubble Space Telescope

The Year in Pictures: 2009

Rejuvenating hubble

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Hubble Servicing Mission 4
Hubble Servicing Mission 4
Credit: NASA

In a grueling mission that included five spacewalks, seven astronauts on the STS- 125 mission aboard space shuttle Atlantis performed repairs and upgrades to the Hubble Space Telescope that should allow it to carry on its program of astronomical observations for at least five more years. They installed two new instruments, repaired two others, replaced gyroscopes and batteries, and added new thermal insulation blankets. This photo was taken during the final spacewalk, as astronauts John Grunsfeld (positioned on the end of Atlantis’ robotic arm) and Andrew Feustel (foreground) worked on the spacecraft with a cloudy Earth floating in the background.