lundi 18 septembre 2017

Ancient Canadian meteor strike created hottest rock on Earth

Obsidian rock

Millions of years ago, a city-sized asteroid smashed into Labrador with so much force that it heated rocks to a whopping 2,370 C — the hottest temperature ever known for a rock on the surface of the Earth, scientists say.



from CBC | Express Feed News http://ift.tt/2x7UdB5

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