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Hubble Glitch Delays Shuttle

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The Associated Press

Published: September 30, 2008

CAPE CANAVERAL - NASA said Monday it is delaying its mission to the Hubble Space Telescope until next year because of a serious breakdown of the observatory in orbit.
Space shuttle Atlantis had been scheduled to blast off in just two weeks, but a new and unexpected problem with the Hubble appeared Saturday night when the telescope stopped sending science data.

The failure of the command and data-handling system for Hubble's science instruments means that the telescope is unable to capture and beam down the data needed to produce its deep space images.
Early Monday afternoon, NASA announced that the Oct. 14 launch had been postponed until at least early next year, possibly February.

When Atlantis does fly, NASA may send up a replacement part for the failed component.

It would take time to test and qualify the old replacement part and train the astronauts to install it in the telescope, said NASA spokesman Michael Curie. NASA also would have to work out new mission details for the astronauts who have trained for two years to carry out five Hubble repair spacewalks.

There is a backup channel for the science instruments' command and data-handling system, and NASA may be able to activate it successfully so that data transmission resumes, Curie said. If NASA relies solely on the backup channel, there would be no other options if it malfunctioned.

Work has begun to switch the telescope to the backup channel. It is a complicated process; the backup channels on the various modules that must be switched over have not been turned on since the late 1980s or early 1990, right before Hubble was launched.

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