Peanut or Drumstick? The core of comet Hartley 2, photographed by the Deep Impact spacecraft.

花生或鼓槌？深度撞击号航空飞船非船拍的彗星哈特利2号的核心形状让人难以确认。

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Comet Hartley 2 became active recently as it neared the sun and sunlight warmed the comet.

哈雷2号彗星最近接近了太阳，因阳光照射而变暖，从而变得非常活跃。

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Comet Hartley 2 is slowly evaporating and may completely break up over the next 1, 000 years.

哈雷2号彗星正缓慢蒸发，在接下来的1000年内可能会完全消失。

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That accomplished, it was redirected to take a look at "space peanut" comet Hartley-2 in late 2010.

BBC: Comet Ison caught on film by Deep Impact craft