Tempel 1 is up in the sky and in the--that's actually a fairly easy thing to see, because it's near Jupiter.
NPR: NASA 'Deep Impact' Probe Targets Comet
On July 4th, the spacecraft Deep Impact will launch a projectile at Tempel 1, a comet NASA has been watching for a few years.
The impactor used simpler versions of the flyby spacecraft's hardware and software and sent back images of Tempel 1 up to three seconds from impact.
BBC: Q&A: Deep Impact comet mission
NASA's orbital-trajectory designers, will arrive at its target, comet Tempel-1, on July 4th.
ECONOMIST: Those space probes in full
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