In this truly spectacular documentary series, we go on a journey through the history of natural disasters. We'll be investigating from the planet's beginnings to the present, putting a new perspective on our existence and suggesting that we are the product of catastrophe. For each disaster led to another leap forward on the evolutionary trail form single celled bacteria to humankind itself.

In the opening episode, we'll be looking at the story of Earth and it's difficult birth. The formation of our moon set us on a unique course to being a planet ripe for life. It's difficult to imagine that the moon was actually born from one of the most violent and potentially devastating events in history. Four and half billion years ago, in the chaos of the early solar system, a Mars-sized planet smashed into our young Earth with such force that it sent rock debris hurtling out into space. This was how the moon was formed.

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