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Origins of the Solar System

The shock wave from a supernova may have triggered the formation of our sun and planets five billion years ago.
Topic: Space + FlightSpace & Flight

Combining chemical evidence from meteorites with the latest computer simulations, scientists show how, nearly five billion years ago, a supernova shock wave could have swept through a cloud of dust and gas and caused it to collapse, eventually forming our sun and the planets—if it didn't blow the baby solar system apart first.

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