Scientists have discovered Earth’s oldest asteroid strike occurred at Yarrabubba, in outback Western Australia, and coincided with the end of a global deep freeze known as a Snowball Earth. The …read more Source:: Science
Tag: Snowball Earth
How predatory plankton created modern ecosystems after ‘Snowball Earth’
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•Around 635 to 720 million years ago, Earth was twice almost completely covered by ice. The question of how life survived these ‘Snowball Earth’ glaciations has puzzled scientists for many …read more Source:: Science
‘Snowball Earth’ resulted from plate tectonics
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•About 700 million years ago, the Earth experienced unusual episodes of global cooling that geologists refer to as ‘Snowball Earth.’ Geologists now suggest that those major climate changes can be …read more Source:: Science