NASA Solar System
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๊ฐ์
June 2008
141 ํ๋ก์ ์ค 3M ํฌ
Tonight's full Moon has an atmosphere too โ just extraordinarily thin.
With about a quadrillion times fewer molecules in a given space than Earth's, itโs so sparse that space rocks strike the surface directly instead of burning up!
๐ธ NASA/Bill Dunford
๋ ๋ณด๊ธฐ
