Greenland 12,000 A year ago, a large iron meteorite, which left a larger crater over Paris, was recently discovered by ice-cream with modern radar, announced on Wednesday by researchers.
It is the first such crater ever found in Greenland and in common with all of the world's continental icecaps. According to the size of this crate, 25th of all are known on our planet, writes in the journal Science Advances.
The 31 kilometer long crater lies under the ice of Hiawatha. The meteorite must make a significant impact in the region, maybe even in the world, researchers said.
But his story just begins to tell.
"The atmosphere must be thrown out of particles that must affect the climate. It's possible that much ice has melted and a lot of water has suddenly hit the canal and greenland, which has affected the ocean currents across the region," says a writer of the article John Paden, John Peiden, Professor of Electrical Engineering and Computer Science at the University of Kansas.
"Evidence suggests that the collision probably occurred after the formation of the Greenlandic continental ice, but the research team still explores the exact time," he said.
The discovery was made in 2015, but the international team of researchers has since verified the results.
The original discovery was based on data from the NASA Arctic Regional Climate Assessment (PARCA) and the Arctic Ice Tracking Mission Operation IceBridge.
Later, more data gathered using more advanced radar technology.
"It was not yet possible to give the crater a direct date, but its condition is very clear for the fact that it was formed after the ice started covering Greenland, so it is under 3 million. Years, and maybe (shaped) only 12 thousand. year, near the end of the last ice age, "said co-author Professor Kurt Kjaer (Kurt Kera) from the Natural History Museum, Center for Geogenetics.
Researchers are planning to try material from the bottom of the glacier to help them find out more about the collision time and its impact on the world's life at that time.
Tampa, Florida, November 14 (AFP).
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