Deep Impact

Tempel 1 as seen from the Impactor
Just a few hours to go until the Deep Impact spacecraft and with its impactor companion will light up the heavens (only if you have a telescope) as they encounter Tempel 1. Deep Impact will be able to observe the explosion, the resulting plume of material and the crater on the comet for about 13 minutes before the comet and spacecraft part company. After that, Deep Impact will spend the rest of its life orbiting the Sun, just like Tempel 1, never to make such an encounter again. Read more while you wait for the 4th of July celebrations.

Update at around 1AM EDT. The impactor is now about an hour away from making the quietest, big boom in history!
Impactor Approximately 90 Minutes From Comet Impact

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