Why is there life on earth? How did Saturn get its rings? Which planet is biggest, which ones hottest—and which has a cloud named Scooter? Take a trip into outer space to learn about the asteroid belt, Martian volcanoes, dwarf planets, and other fascinating facts about our universe.
This is Book 5 in the Good Question! Series. See all Good Question! books here.
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Mary Kay Carson is a non-fiction children's book author who has written more than 20 books for children about wildlife, space, weather, nature, and other science and social studies topics. She received the American Institute of Aeronautics and Astronautics Children's Literature Award in 2009.
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