Ancient Earth - 720 million years back in time

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Imagine the Earth in the Cryogenian period around 720 millions year ago. A new online tool has been developed which can do just this.  The Cryogenian period was  the second of the three periods of the Neoproterozoic Era extending from approx 720 million years to 635 million years ago.

Click the link below to access:
Ancient Earth