Stellar and galactic astrophysics. Stellar magnitudes, colors, distances, and spectra. Galactic structure and evolution, active nuclei, large-scale structure, Big-Bang cosmology. Stellar interiors, nuclear “burning,” main-sequence and evolved stars. Introduces computer programming. A-F only. Pre: 241, PHYS 274 (or concurrent), and MATH 243 (or concurrent) or 253A (or concurrent). (Spring only)