Hours 24L/12T The formation, equilibrium and evolution of structure on all astronomical scales from the largest to the smallest: universe, clusters of galaxies, galaxies, clusters of stars, gas clouds and stars. Prerequisite PHY252H1/ PHY294H1/ PHY242H5/ PHYB52H3; AST221H1, AST222H1 (or equivalent AST readings; consult the instructor) Breadth Requirements The Physical and Mathematical Universes (5)