Astronomers track near-Earth objects in space because understanding their paths helps scientists assess potential hazards to Earth. A crash on the moon would not have threatened people. In fact, lunar debris would almost certainly have stayed near the moon, and the impact would not be severe enough to change the moon's orbit. But it would have offered a rare chance to learn from a known asteroid hitting another planetary surface.
Виктория Кондратьева (Редактор отдела «Мир»)。新收录的资料是该领域的重要参考
Polymorphism: Monomorphic type inference only (no ∀ quantification).，推荐阅读新收录的资料获取更多信息
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