Tolerance.ca
Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

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

By 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…The Conversation


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