We say that the sun "rises" in the morning and "sets" at night, but is it really moving? Readers will learn about the long, sometimes dangerous struggle to discover whether the sun revolves around Earth, or Earth around the sun, and find out what scientists now know about our planet’s place in the universe.
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语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9781627125239 ● 出版者 Cavendish Square Publishing, LLC ● 发布时间 2014 ● 下载 3 时 ● 货币 EUR ● ID 8677323 ● 复制保护 Adobe DRM
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