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Why do some planets have moons? A physics expert explains why Earth has only one moon while other planets have hundreds

  • Written by Nicole Granucci, Instructor of Physics, Quinnipiac University
Why do some planets have moons? A physics expert explains why Earth has only one moon while other planets have hundredsSome planets, such as Saturn, have more than a hundred moons, while others, such as Venus, have none. NASA/JPL-Caltech/Space Science Institute via APWhy do some planets have moons? A physics expert explains why Earth has only one moon while other planets have hundreds

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why do some planets have moons and some...

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