What is the difference between Astronomy and Astrophysics?

1 Answer
Jan 8, 2018

Astronomy is about observing bodies in space, Astrophysics is applying science to understand the bodies.


Astronomy is mainly about observation. It is concerned with identifying bodies such as comets, asteroids, moons, planets, stars and galaxies. It is also concerned with naming objects and cataloguing the bodies and their positions in space.

Astrophysics is the appliance of science to explain how bodies work. It examines the physics and chemistry of objects. It also requires mathematical models to explain how stars evolve and function.