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The World’s Oldest Asteroid Crater Has Finally Been Identified – And It May Have Changed Earth’s ClimateThe Vredefort crater in South Africa ... Thomas Davison of Imperial College London ran computer simulations of an asteroid 7 kilometers wide crashing into an ice-covered Earth at 17 kilometers ...
An impactor--most likely an asteroid--hurtled toward Earth about two billion years ago, crashing into the planet near present-day Johannesburg, South Africa. The impactor formed Vredefort crater ...
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