An Underlying Theme of Astronomy Is That The

An underlying theme of astronomy is that the:

A) fundamental physical laws differ randomly from galaxy to galaxy, but they can be learned for a given galaxy by detailed observation.
B) fundamental physical laws governing the universe change in a predictable way with increasing distance from Earth.
C) universe is a hodgepodge of unrelated things behaving in arbitrary and unexplainable ways.
D) entire universe is governed by a single set of fundamental physical laws.