Lecture, three hours; discussion, one hour. Requisites: courses 81, 115, 117. In-depth exploration into lives and deaths of stars. Covers production of energy and physics of stellar interiors and atmospheres. Topics include star formation, variability and evolution. Includes significant exploration of nuclear physics and advanced stages of fusion. Covers properties and formation of stellar remnants from white dwarfs to black holes. P/NP or letter grading.