The definition of astrophysics is a branch of astronomy that studies the composition and origin of objects in outer space along with the way they interact with each other and other matter.
A person who studies black holes, dark matter, and cosmic strings is an example of a person who is involved with astrophysics.
the main branch of astronomy which deals primarily with the physical properties of the universe, including luminosity, density, temperature, and chemical composition
nounused with a sing. verb
The branch of applied physics that deals with astronomical phenomena.
astro- + physics
- From 1872 he held the chair of astrophysics at Leipzig University.
- ASTROPHYSICS, the branch of astronomical science which treats of the physical constitution of the heavenly bodies.
- It has thus come about that astrophysics owes its recent development, and its recognition as a distinct branch of astronomical science, to the combination of the processes involved in the three arts of spectroscopy, photography and photometry.
- The subject of Astrophysics does not admit of so definite a subdivision as that of Astrometry.
- A limit is placed on our knowledge of astrophysics which, up to the present time, we have found no means of overstepping.