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发表于2024-11-24
Cosmic Science pdf epub mobi txt 电子书 下载 2024
Experience the force of liftoff* Create your own constellations* Write a postcard from another planet* Make a club-soda comet, and more From rocketing out of Earth's gravity and orbiting our planet to probing other planets and walking on the Moon, Cosmic Science makes exploring space a blastMore than 40 easy, safe--and fun--activities show how rockets work, why the shape of the Moon seems to change, just how much power the Sun has, what it's like to live and work in space, and much more
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宇宙航天中的科学
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Cosmic Science pdf epub mobi txt 电子书 下载 2024