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Life and Death of a Star

   2007    Science
Ignited by the power of the atom, burning with light, heat and wrath, stars are anything but peaceful. They collide, devour each other, and explode in enormous supernovas--the biggest explosions in the Universe.
Series: The Universe

What Happened Before the Beginning

   2011    Science
Every cosmologist and astronomer agrees: our Universe is 13.7 billion years old. Using cutting-edge technology, scientists are now able to take a snapshot of the Universe a mere heartbeat after its birth. Armed with hypersensitive satellites, astronomers look back in time to the very moment of creation, when all the matter in the Universe exploded into existence. It is here that we uncover an unsolved mystery as old as time itself -- if the Universe was born, where did it come from? Meet the leading scientists who have now discovered what they believe to be the origin of our Universe, and a window into the time before time.
Series: Through the Wormhole

A History of Christianity
A History of Christianity

   2011    History
Natural World
Natural World

   2017    Nature
Earth, the Power of the Planet
Earth, the Power of the Planet

   2007    Nature
Seven Ages of Rock
Seven Ages of Rock

   2007    Art
The Universe
The Universe

   2010    Science
Life of a Universe
Life of a Universe

   2017    Science
Senna
Senna

   2010    Culture