Question

what is astro physics ?​

Answer 1

Answer:

Astrophysics is a branch of space science that applies the laws of physics and chemistry to explain the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe. ... Astrophysics creates physical theories of small to medium-size structures in the universe.

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Answer 2

Answer:

Astrophysics is the study of how stars, planets and other things in the Universe work, and how we can learn about them. Astrophysicists use physics to explain what astronomers find and see.

Astrophysics is also the study of how the Universe started and how it is changing with time. This part of astrophysics is called cosmology.