与彗星和小行星的碰撞

天体与地球相撞的几率很小,但后果将是灾难性的

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大众科学 Magazine Vol 274 Issue 3This article was originally published with the title “Collisions with Comets and Asteroids” in 大众科学 Magazine Vol. 274 No. 3 (), p. 54
doi:10.1038/scientificamerican0396-54
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