A world transformed.
Antarctica, the approaching comet, moving continents and the origins of a changed landscape.
How a Giant Comet
Split the Continents Apart
From the frozen heart of Antarctica to the ocean floor, distant worlds and human memory, follow the authors’ proposal that one cosmic encounter transformed our planet.

Antarctica, the approaching comet, moving continents and the origins of a changed landscape.
Mars, Pluto and the outer solar system, followed by the authors’ connections between fossil beds, burial and oil.
Drowned landscapes, traditions of catastrophe, survival and the symbols of renewal.
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Michael Madden & Ramon Madden
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Explore the story while you wait.
Read and listen in 3D →Return to the comet’s approach, or begin Chapter One with the narration and scenes beside you.