Astronomers were people who A. animals and their movements B. studied plants C. studied the planets and stars​

C

Explanation:

astro means space or something like that

C. Studied the planets and stars.

Explanation:

The definition of an Astronomer is "an expert of or student in astronomy" and the definition of astronomy is "a natural science that studies celestial objects and phenomena"

answer; standardization;

answer; the supreme court was placing age in the non-suspect classification category;