What branch of earth science studies the stars and the moon

Astronomy

Explanation:

There are four major branches of "Earth Science" and these are: Geology, Oceanography, Astronomy and Meteorology. Minor branches include: Environmental Science, Geochemistry, Ecology, Cartography and Geology.

Astronomy is the study of the "universe." People who study the universe are called "astronomers." The universe includes the stars, asteroids, the Moon, planets and so on.

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