Dark mumbo

Published on Apr 27, 2016

Dark energy, what exactly does it do? Find out in this episode of Space Time! Part 3 in our Dark Energy series.
Part 1: https://www.youtube.com/watch?v=xZTb6…
Part 2: https://www.youtube.com/watch?v=-4Pay…

minute physics

Guest narrator Sean Carroll of Caltech describes dark energy and the acceleration of the universe, the discovery of which was awarded the 2011 Nobel Prize in Physics on October 4th.