View Full Version : Deep Impact On a Collision Course for Science

2005-Sep-08, 10:02 PM
SUMMARY: NASA's Deep Impact spacecraft lifted off from Florida's Cape Canaveral on Wednesday, beginning a six-month cruise to smash a hole in a comet. If everything goes well, the spacecraft will reach Comet Tempel 1 on July 4, 2005 deploying an impactor that will carve out a large crater. The resulting explosion should be the equivalent of 4 tonnes of TNT, and could be bright enough to be seen with the unaided eye back on Earth. Deep Impact will be watching the explosion from a safe distance of 500 km, and should get a unique view of the comet's composition, and what lies under its surface.

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