UCI Physics 20B: Cosmology (Winter 2015) Lec 21. Cosmology -- Quasars and the Meaning of Cosmic Expansion View the complete course: http://ocw.uci.edu/course...
UCI, UC Irvine, OCW, OpenCourseWare, cosmology, stars, einstein, gravity, Physics, quasars, cosmic expansion, Hubble's Law, Hubble Time, Earth Age, Walter Ba...