Oldest Impact Crater on Earth Discovered

The world’s oldest meteorite crater —a giant impact zone more than 62 miles wide — has been found in Greenland, scientists say.

Scientists think it was formed 3 billion years ago by a meteorite 19 miles (30 kilometer) wide — which, if it hit Earth today, would wipe out all higher life. The crater is so wide that it would reach the edge of space 62 miles (100 km) above Earth if stood on end.

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