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Last updated on April 20, 2014 at 17:20 EDT
Before the Crash
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Before the Crash

August 17, 2005
This image shows comet Tempel 1 sixty seconds before it ran over NASA's Deep Impact probe at 10:52 p.m. Pacific time, July 3 (1:52 a.m. Eastern time, July 4). The picture was taken by the probe's impactor targeting sensor.