Cosmic Front: Dark Energy - The Race to Discover How the Universe is Expanding

The 2011 Nobel Prize for Physics was awarded to Saul Perlmutter, Brian Schmidt and Adam Riess, the discoverers of “dark energy.”Dark energy is a force counteracting gravity: its functioning is unexplained by the conventional laws of physics and it is sometimes referred to as “antigravity.” This documentary provides a behind-the-scenes look at “the discovery of the century.”