Review of introductory cosmology and general relativity, including the FLRW metric and distance measures. Thermal history of the Universe, matter and radiation. Growth of inhomogeneities and formation of large scale structure. Observational probes; cosmic microwave background radiation, galaxy formation, gravitational lensing. Hamiltonian formulation of general relativity. Some familiarity with general relativity and cosmology (e.g. P557) will be assumed. Credit 3 units.