Why 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 that you would like an expert to answer, please send it to Curiouskidsus@theconversation.com. Why do some planets have moons and others don’t? – Siddharth, age 6, Texas On Earth, you can look up at night and see the moon shining … Read more