Hearts of Darkness: Black Holes in Space

Dr. Alex Filippenko (University of California, Berkeley). Black holes are regions of space where gravity is so strong that nothing, not even light, can escape! No longer confined to the imaginations of science-fiction writers and theoretical physicists, black holes have recently been discovered in large numbers by observational astronomers. Learn about the remarkable properties of these bizarre objects from one of the finest explainers in the field of astronomy.

Related Links
Books and Films - Black Holes