With the help of some Einstein theories, Lemaitre conceived a theory of his own that may have proved to be right. watch
Airs Jan 13th at 9/8 C - Could we be unique in the universe or is there another planet similar to earth somewhere in the cosmos? Is it possible that Alpha Centauri, our nearest star, is home to another earth-like planet? Earth sized planets have been hard to find, but indirect methods are coming on line to give scientists a good survey of how many such bodies may be in the universe. How rare would it be to find life on another earth-like planet? For more info, please visit http://www.history.com/universe watch
New Season premieres Nov 11, 2008 at 9pm/8c on HISTORY.
From the planets to the stars and out to the edge of the unknown, history and science collide in this epic exploration of the Universe and its mysteries. watch