‘Snowball Earth’ Thawed Out by Wobbling on Its Axis, Researchers FindThe Earth was once
‘Snowball Earth’ Thawed Out by Wobbling on Its Axis, Researchers FindThe Earth was once like a snowball, completely frozen over, like a vision of an alien world from a science-fiction movie, some scientists say.The great thaw came some 635 million years ago, eventually giving way to successive periods of flora and fauna, including the dinosaurs. Now, a group of British scientists said a grouping of sedimentary rocks in Norway shows that the melting of the ice was gradual – and irregular – owing to the planet’s wobbling on its axis.Read more: http://www.laboratoryequipment.com/news/2015/08/snowball-earth-thawed-out-wobbling-its-axis-researchers-find -- source link
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