astrophysicist
/ˌæstroʊˈfɪzɪsɪst/
noun
- A scientist who studies the physical and chemical properties of stars, planets, galaxies, and other objects in space.
- The astrophysicist presented new data about the formation of distant galaxies.
- My cousin wants to become an astrophysicist and work at NASA.
- An astrophysicist uses telescopes and computer models to understand the universe.