Observatoire des droits humains (anglais seulement)

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

(Version anglaise seulement)

par Nicole Granucci, Instructor of Physics, Quinnipiac University

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 don’t? – Siddharth, age 6, Texas

On Earth, you can look up at night and see the Moon shining bright from hundreds of thousands of miles away. But if you went to…

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