Question

an ___is a person who studies the science of the sun, moon, stars and planet​

Answer 1

Explanation:

astronomer

A scientist who studies the objects in the sky, including planets, galaxies, black holes, and stars, is called an astronomer. These days, the terms astronomer and astrophysicist are used interchangeably, to talk about any physicist who specializes in celestial bodies and the forces that affect them.

Answer 2

Explanation:

Astronomer is a person who studies the science of the sun, moon, stars and planet.

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