发表于2025-01-06
What's Out There? 2025 pdf epub mobi 电子书
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What is the sun made of? What causes night and day? Why does the moon change shape? Colorful collage illustrations and an easy-to-understand text bring planets, stars, comets, and the wondrous things out there in space right down to earth in a simple introduction to the solar system for young armchair astronauts. Full color.
What's Out There? 2025 pdf epub mobi 电子书