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Credit & Copyright:
STS-51 Crew,
NASA
Explanation:
Astronaut Carl Walz waves at his colleagues from
the aft end of
the Space Shuttle Discovery's payload bay -
during a 1993 spacewalk to evaluate tools, tethers, and a foot restraint
slated for use in the
first Hubble Space Telescope servicing mission.
Today's successful launch of Discovery begins
the second servicing mission to the Hubble.
Discovery's crew will rendezvous with
the orbiting telescope and capture
it with the shuttle's manipulator arm.
With Hubble in the payload bay
the crew will conduct spacewalks to
replace two existing instruments with new ones.
To be installed are the
Space Telescope Imaging Spectrograph and the
Near Infrared Camera and Multi-Object Spectrometer.
Other hardware will also be replaced and upgraded including
the telescope's
Fine Guidance Sensor.
The improved instrumentation will extend
the Hubble's ability to
explore the distant Universe.
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NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: space
Publications with words: space
See also: