By: Geoff Gaherty
Published: 04/19/2012 10:00 AM EDT on SPACE.com
This story was updated at 8:48 p.m. ET. The week ahead promises to be a perf...
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The Hale-Bopp comet was discovered only two years before its passage by Earth, not nearly enough time to divert the comet. So much for the Deep Impact scenario.
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