On first blush, you might think not: the planet where the comet or comets came to grief is farther out than Mars, in an orbit where water would be permanently frozen.

一开始你可能不会这样认为，因为太阳系里和彗星发生过碰撞的行星都比火星还远，在那样的轨道上水永远是以冰的形式存在。

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Nevertheless, astronomers still believed that when a comet approached the Sun—where they could study it—the Sun's intense heat would remove the corrupted surface layer, exposing the interior.

尽管如此，天文学家们仍然相信，当一颗彗星接近太阳时——这是他们可以研究它的地方——太阳的高温将会移除损坏的表层，露出内部。

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When Deckard Cain returns to the ruins of Tristram's Cathedral seeking clues to new stirrings of evil, a comet from the heavens strikes the very ground where Diablo once entered the world.

当迪卡·凯恩回到特里·斯塔姆大教堂寻找新的激起恶魔的线索时，一颗从天而降的彗星不偏不倚的撞在暗黑破坏神到来时出现的地方。

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But most of the history of the solar system--this is why the comet is so important--most of the history of this comet was spent out beyond Neptune, out where Pluto is at the very edge of the solar system, what we call the Kuiper belt.

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His active duty assignments included Operation Iraqi Freedom and Operation Enduring Freedom, where he commanded the U.S. Naval Ship Comet.

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Instead Argos, Currys and the now defunct Comet group agreed to set up a price comparison website where consumers can easily compare warranties.

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