Article: GYROSCOPES, OTHER EQUIPMENT FIXED IN MARATHON EIGHT-HOUR SPACEWALK HUBBLE GETS ITS TUNEUP, UP HIGH.(News)

Working more than 370 miles above Earth with ratchet tools, two spacewalking astronauts yesterday fitted the Hubble Space Telescope with new instruments needed to restore its unparalleled view of the cosmos.

It was the first of three spacewalks to be conducted over three days on the $3 billion observatory and, by far, the most important. The Hubble has been out of service since mid-November.

Keenly aware of the magnitude of the job, Steven Smith and John Grunsfeld floated out of space shuttle Discovery's hatch almost an hour early and quickly began organizing their tools in the cargo bay, where the Hubble was latched down.

``You ready to go?'' ...

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