What would happen if we someday needed to leave Earth and find somewhere else to live? This book takes a look at the options, how we could get to that point, and how we can all help make sure Earth remains our home.
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语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781615319756 ● 出版者 The Rosen Publishing Group, Inc ● 发布时间 2007 ● 下载 3 时 ● 货币 EUR ● ID 8680358 ● 复制保护 Adobe DRM
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