Provides an introduction to stars, and explains what they are made of, along with their shapes and colors. Also describes constellations, and includes activity.
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格式 PDF ● 网页 24 ● ISBN 9781404832503 ● 出版者 Capstone ● 发布时间 2007 ● 下载 6 时 ● 货币 EUR ● ID 5693687 ● 复制保护 Adobe DRM
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