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Discover More Topics From NASA

The Moon’s Atmosphere

Does the Moon have an atmosphere? Yes, but just barely. The lunar atmosphere is mostly an exosphere, which itself is…

Lunar Craters

Earth's Moon is covered in craters. Lunar craters tell us the history not only of the Moon, but of our…

Moon Formation

Earth’s Moon was born out of destruction. There are several theories about our Moon’s formation, but almost all share that…

Moon Water and Ices

What’s big, covered in water, yet 100 times drier than the Sahara Desert? It’s not a riddle, it’s the Moon!