astrophysics

Definition

Astrophysics is a branch of science that combines astronomy and physics to study the physical properties of stars, planets, galaxies, and other astronomical objects.

Astrophysics uses the laws of physics to explain how these objects work and how they interact with each other. It also uses physics to study the origin and evolution of the universe.

How can the word be used?

The astrophysics club is going on a stargazing expedition this weekend to observe the Perseid meteor shower.

Different forms of the word

Noun: astrophysics.

Adjective: astrophysical.

Adverb: astrophysically.

Synonyms: astronomy, cosmology, celestial mechanics.

Etymology

The word "astrophysics" comes from the Greek words astron, which means "star," and physis, which means "nature." The word "astrophysics" was first used in English in the 19th century. It is a combination of the words "astronomy" and "physics.".

Question

What knowledge will the study of astrophysics need to draw from?