8.286 The Early Universe (Fall 2013, MIT OCW). Instructor: Professor Alan Guth. The Early Universe provides an introduction to modern cosmology. The first part of the course deals with the classical cosmology, and later part with modern particle physics and its recent impact on cosmology.
Lecture 16 - Black-Body Radiation and the Early History of the Universe, Part II
In this lecture, the professor reviewed relativistic energy, relativistic four-momentum, the mass of radiation, radiation in an expanding universe, modification of the Friedmann equations; and continued to talk about black-body radiation and the early history of the universe.