First Spacewalk to Repair Hubble Begins Today

Blast from the Past:  Hubble in Columbia's cargo bay in 2002.  Photo Credit:  NASA

Blast from the Past: Hubble in Columbia's cargo bay in 2002. Photo Credit: NASA

Astronauts John Grunsfeld and Drew Feustel left the space shuttle Atlantis this morning to begin the first of five spacewalks to repair and upgrade the Hubble Space Telescope.  Today, they will spend approximately seven hours upgrading a new instrument which will allow Hubble to see deeper into space, replacing a data processing unit that Hubble uses to send images back to Earth, and fix a unit that will allow Hubble to be captured by robotic spacecraft.

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