Astrophysics

[Sarah]

The science treating of the physical characteristics of thestars and other heavenly bodies, their chemical constitution, light,heat, atmospheres, etc.

[Sarah]

A totally rad area of study.

[Sarah]

term sometimes used to mean really

[Jessica]

the type of astronomy that uses physical laws and ideas to explain the behaviour of the stars and other objects in space

[Kai]

The branch of astronomy concerned with the physical nature of stars and other celestial bodies, and the application of the laws and theories of physics to the interpretation of astronomical observations.