Survey of extragalactic astronomy and cosmology, including: galaxy morphology and kinematics; luminosity functions; dark matter; properties of galaxy groups/ clusters; gravitational lensing; redshifts; cosmological models; the Big Bang; thermal history of the Universe; structure formation. A-F only. Pre: 300 (or concurrent); PHYS 152 or PHYS 274; MATH 216 or MATH 242 or MATH 252A. (Alt. years)