Sean Carroll

Dr. Carroll explains the subject of dark matter and dark energy in 24 lectures. He explains why scientists believe we live in a smooth, expanding universe that originated in a hot, dense state called the Big Bang. He describes the features of the infant universe that led to the large-scale structure we observe today. He takes you through the standard model of particle physics and shows how it provides the framework for understanding the interaction...

In less than a century, the accepted picture of the universe transformed from a stagnant place, comprised entirely of our own Milky Way galaxy, to a realm inhabited by billions of individual galaxies, hurtling away from one another. In this title, the author describes his principal observations and conclusions.