What Makes Day and Night (Let's-Read-and-Find-Out Science 2)
"Accompanied by NASA photographs and Dorros's colorful, lively drawings, the text explains the Earth's rotation in clear and simple terms. An experiment using a lamp as the 'sun' further clarifies the principles introduced.' --BL. "
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格式: | 圖書 |
語言: | Undetermined |
出版: |
HarperCollins
1986
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版: | Revised ed. |
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