Since comet Hartley 2 — the target of Deep Impact’s November 4 flyby — is near its perihelion, it’s no surprise that it’s an active comet with lots of outbursts. Even though I know that, it’s really exciting to see jets flaring out from the comet from a spacecraft that’s tracking its every move, about to fly within a few hundred kilometers of its nucleus. The Deep Impact team released two videos this evening of this outburst activity on ….
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