March 28, 2005

Nasa's Deep Impact Comet Crusher Problems

NASA's Deep Impact spacecraft is on course for a July 4 encounter with comet Tempel 1, but mission officials are trying to determine why one of the probe's telescopes has not focused properly. (Photo: Xinhua/AFP) NASA's comet-slamming Deep Impact spacecraft, which is on scheduled course for a July 4 collision with comet Tempel 1, has a minor glitch with one camera, according to the space agency. After performing a test called "bake-out," a procedure that heats up the instrument to remove moisture, mission managers noticed the High Resolution Instrument (HRI) has not reached perfect focus. NASA has formed a team to investigate. It might be possible to bring the camera into full focus. "This in no way will affect our ability to impact the comet on July 4," Rick Grammier, Deep Impact project manager at NASA's Jet Propulsion Laboratory, said in a statement.

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