S02 Episode 1
The Furnaces of Life
Scientists debate the extent to which volcanic activity has destroyed Venus, and explain the ability of volcanoes to create life on other planets.
43 mins · Wed, 11 Jul 2012
S02 Episode 2
The Winds of Creation
In addition to possessing the power to engulf planets, wild weather patterns such as planetary winds, lightning and dust storms might have the ability to sustain life.
43 mins · Wed, 18 Jul 2012
S02 Episode 3
Planets from Hell
Earth sits somewhere in the middle of the spectrum between planets too cold and desolate to sustain life and other worlds constantly roasting at temperatures of thousands of degrees.
42 mins · Wed, 25 Jul 2012
S02 Episode 4
Cosmic Firestorms
Experts assess the level of threat posed to life on Earth by megaflares from the sun. During cosmic firestorms, gamma rays are fired across the universe, and the Earth could be in the line of destruction.
42 mins · Wed, 1 Aug 2012
S02 Episode 5
Extreme Orbits
Experts discuss the role orbits play in the construction of the universe. A creative force, they also have the power to collapse dust clouds and force galaxies to collide.
43 mins · Wed, 8 Aug 2012
S02 Episode 6
Frozen Wanderers
The evolution of a comet transforms it from ice and rock to an active nucleus, surrounded by a gaseous haze, that has a role to play in solar system formation.
43 mins · Wed, 15 Aug 2012
S02 Episode 7
Worlds that Never Were
Asteroids, often understood to pose a threat to life on Earth, actually contain valuable resources that have allowed them to shape the creation and evolution of human life.
43 mins · Wed, 22 Aug 2012
S02 Episode 8
Birth of the Earth
Experts examine the formation of the Earth, achieved through a series of cosmic cataclysms. They weigh in on the possibility that similar planets may exist elsewhere in the universe.
41 mins · Wed, 29 Aug 2012
