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发表于2024-11-30
Comets, Asteroids, Meteor pdf epub mobi txt 电子书 下载 2024
Young readers can take a journey through space, from planets and stars to comets and asteroids. Simple text introduces basic space concepts. Students will learn how we explore space to understand our solar system. What are comets made of? Why are asteroids called minor planets? Why do we call meteors shooting stars? Discover the features of comets, asteroids, and meteors and learn how they travel through our solar system.
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Comets, Asteroids, Meteor pdf epub mobi txt 电子书 下载 2024