The Leonids are minute dust particles shed by Comet Tempel-Tuttle.

狮子座流星是由坦普尔·塔特尔彗星释放的微小尘粒构成。

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Deep impact first visited comet Tempel 1 in 2005, crashing an impactor into the comet to help scan its composition from afar.

“深度冲撞”号于2005年第一次造访了彗星Tempel 1，为了分析该彗星的构成，它抛出了一个冲撞器。

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While improving interdisciplinary studies is a common goal throughout academia, Michigan's project stands out, Tempel said.

NPR: Munger Gives Largest Gift In U. Mich. History

NASA's orbital-trajectory designers, will arrive at its target, comet Tempel-1, on July 4th.

ECONOMIST: Those space probes in full

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