The center of the Milky Way, seen here in an image from the Spitzer Space Telescope, is the source of an intriguing gamma-ray signal that could be evidence of dark matter.
Image Credit: NASA/JPL-Caltech
“You may have heard of the Big Bang – but what was the universe like before that fateful beginning? In this podcast, Brian Keating traces the history and theories that have lead to our current understanding of the universe, and the questions that still remain.”
This lecture took place at the Hayden Planetarium on December 12, 2016.