Classical through modern astronomy, with introduction to basic principles underlying astronomical systems and observations.
Lectures cover electromagnetic radiation, optical instruments, and the solar system.
Stellar and extragalactic astronomy, including introduction to quantum aspects of electromagnetic radiation and atomic physics, stellar spectra, and stellar evolution. Essential material from Astr 1 included. Topics include the nature of quasars, pulsars, stellar and galactic black holes, antimatter, gravitational lensing, dark matter, cosmic background radiation, the origin of the elements, big-bang theory, and the future of the universe. Astr 1 and 2 .