Earth’s neighbor Mars likely once had an environment that could have supported life. Now it has underground frozen water in many places. Spacecraft from Earth have visited Mars and taught us a lot about this dusty red planet. Featuring a center spread with fast facts, this book tells readers about the missions, the scientists who plan them, and more far-out facts about the fourth planet from the Sun.
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语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9780766053953 ● 出版者 Enslow Publishing, LLC ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 8663412 ● 复制保护 Adobe DRM
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