The Oldest Comets hit the World

Alvienova | The Oldest Comets hit the World| Comet hit successfully in the world's oldest discovered by scientists in the estimate occurs in three billion years ago.

Comet hit the oldest crater has reached 96.6 km diameter crater found in Greenland, which holds the record before the comet hit the world's oldest crater in Vredefort by crater hold 290 km in diameter formed two billion years ago.

"These findings will help scientists study the effects of craters on the Earth up to a billion years back," said Iain McDonald from Cardiff University.

As quoted by UPI, the three billion years since the hit, the ground around the crater subsided to 24 miles down the Earth's crust. In addition, all the external

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