HOUSTON (Reuters) - Two spacewalking astronauts on Saturday tackled one of their toughest repairs to the Hubble Space Telescope -- a meticulous fix of a broken camera -- and installed a new spectrograph that can divine the properties of distant galaxies.
Astronauts John Grunsfeld and Andrew Feustel spent 6-1/2 hours outside the shuttle Atlantis for the third of five back-to-back spacewalks to upgrade the famous space observatory for another five to 10 years of work.
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