Stanford University

University of California at Berkeley

Harvard University

University of Chicago

California Institute of Technology

The University of Tokyo

Princeton University

University of Cambridge

Tsinghua University

Astrophysics is not only a main branch of astronomy but also a branch of physics. It is a subject that studies the shape, structure, physical conditions, chemical composition and evolution law of celestial bodies by using the techniques, methods and theories of physics.

Astrophysics related disciplines include solar physics, solar system physics, stellar physics, stellar astronomy, planetary physics, galaxy astronomy, cosmology, cosmochemistry, celestial evolution chemistry, radio astronomy, space astronomy, high energy astrophysics and so on.