What does an astrophysicist do?
An astrophysicist is a scientist who researches the principles of light, motion, and natural forces as they pertain to the universe at large. He or she engages in theoretical physics studies in an attempt to learn more about the underlying properties of the cosmos. Many astrophysicists specialize in studying a particular phenomenon or theory, such as black holes, the development and extinction of stars, relativity and motion, or the origin of the universe.
