Deep Impact Kicks Off Fourth Of July With Deep Space
Fireworks
After 172 days and 431 million kilometers (268 million miles) of
deep space stalking, Deep Impact successfully reached out and
touched comet Tempel 1. The collision between the coffee
table-sized impactor and city-sized comet occurred at 0152 EDT.
The washing-machine-sized, copper-fortified impactor is expected
to make a good impression on the comet Tempel 1 at 0152 EDT July
4th. It was successfully released from the flyby spacecraft at 0207
EDT on Sunday.
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