Earth Story
- Episode aired Dec 2, 2007
- TV-G
- 44m
4.56 billion years ago, a planet the size of Mars collided with our Earth. It set off a chain of events that would transform the Earth from a lifeless wasteland into the fertile, blue planet... Read all4.56 billion years ago, a planet the size of Mars collided with our Earth. It set off a chain of events that would transform the Earth from a lifeless wasteland into the fertile, blue planet we know today. This is that story.4.56 billion years ago, a planet the size of Mars collided with our Earth. It set off a chain of events that would transform the Earth from a lifeless wasteland into the fertile, blue planet we know today. This is that story.