02. How big, long, and wide is atmosphere? (A K2S Question)

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The Earth's atmosphere covers the entire surface of the planet and extends upward with increasingly lower density. There are a few atoms of the Earth's atmosphere extending to the Moon's orbit.

Answer provided by Robert P. McCoy, Ph.D.


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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