Comets, Asteroids, Meteor

ISBN: 9780791069738

出版社: Facts on File

出版年: 2002-8

页数: 32

定价: $ 25.99

装帧: LIB

内容简介

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.