A person who studies the stars and planets is called an:
To determine the correct answer, consider the definitions of each option:
- Biologist: A scientist who studies living organisms, such as plants and animals.
- Geologist: A scientist who studies the earth, including its rocks, minerals, and the processes that shape it.
- Astronomer: A scientist who studies celestial bodies, including stars, planets, comets, galaxies, and the universe as a whole.
- Physicist: A scientist who studies the properties and interactions of matter and energy.
Based on these definitions, the correct answer is that a person who studies stars and planets is called an Astronomer.