Mysteries of the Dark Universe - Dr. Edward "Rocky" Kolb

Ninety-five percent of the universe is missing! Astronomical observations suggest that most of the mass of the universe is in a mysterious form called dark matter and most of the energy in the universe is in an even more mysterious form called dark energy. Unlocking the secrets of dark matter and dark energy will illuminate the nature of space and time and connect the quantum world with the cosmos.
Speaker: Dr. Edward "Rocky" Kolb University of Chicago, Department of Astronomy and Astrophysics
February 21, 2008.