The First Evidence of a Comet Hitting Earth

Comet hitting Earth

South African scientists and collaborators from around the world have recently discovered the first ever evidence that suggests a comet has hit the Earth.  Millions of years ago a comet entered Earth’s atmosphere, exploded, then rained down it’s fiery debris which destroyed everything in its path.  This recent discovery in the Sahara, which will soon be published in Earth and Planetary Science Letters, could help scientists understand the early secrets of our solar system’s formation.
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