Who is an astrophysicist

Astrophysicists are a special type of physicist who studies the basic workings of the universe at the scale of stars and planets.
They pursue this knowledge using telescope observations and data collected by satellites and space probes.

To be an astrophysicist
One must hold a Ph.D. in either physics or astronomy.
Undergraduates should aim for a bachelor's degree in physics as a stepping stone
Although some universities do offer degrees in astronomy.
Astrophysicists use advanced math
Frequently in formulas that describe the interactions of celestial bodies.