Overview
Earth may seem like the most hospitable planet in the solar system. But look again. Startling new discoveries reveal the blue planet has been plagued by more chaos and destruction than scientists once imagined. Stand on the Earth billions of years ago as a primitive planet slams into it. Shiver as our entire globe is frozen over like a gigantic snowball. Feel the heat as mammoth volcanoes scorch the landscape and darken the sky. From a cosmic gamma ray burst frying away the ozone layer to an Everest-size asteroid slamming into the ocean, we'll reveal new information about how these unparalleled events drove life to the brink of total extinction. Out of this continuous devastation, how has our planet--and life--got to where it is today? Are the worst days behind us--or lurking in the distant future?
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6 - 1Catastrophes that Changed the Planets October 25, 2011 -
6 - 2Nemesis: The Sun's Evil Twin November 01, 2011 -
6 - 3How the Solar System was Made November 08, 2011 -
6 - 4Crash Landing on Mars November 22, 2011 -
6 - 5Worst Days on Planet Earth November 29, 2011 -
6 - 6UFO: The Real Deal December 13, 2011 -
6 - 7God and the Universe December 20, 2011