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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This technology was used on July 4, 2005, when Deep Impact smashed into the comet Tempel 1.

这个技术在2005年7月4号已经运用过了，就是深度撞击坦普尔一号彗星。

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On Feb. 14, the Stardust-NExT spacecraft will be the second NASA mission to study comet Tempel 1.

2月14日，Stardust - NExT飞行器将执行美国宇航局对Tempel 1彗星的第二次撞击。

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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