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发表于2024-11-08
Exploring Space 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. The first spacecraft orbited Earth in 1957. Since that time, people have landed on the Moon, built space stations, and probed the solar system. Learn how these missions have helped scientists explore space and make important discoveries.
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Exploring Space pdf epub mobi txt 电子书 下载 2024