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image of a comet: 29 million years ago a comet hit is said to have destroyed all life in a 6000 square kilometer area (Photo: REUTERS). Wednesday 09 October 2013
In 1996 he discovered a “mysterious” black pebble. 30 grams. Now geologists are agreed that it originates from a comet impact. In today’s Egypt, he put out all life from millions of years ago. The evidence provides Pharaoh Tutankhamen.
with today’s Egypt is a comet exploded according to the findings of South African scientists 28 million years ago – which in 1996 found a “mysterious” pebble bearing witness. After thorough investigation, the 30 gram discovery, the geologists were to David Block of the University of Witwatersrand in South Africa convinced that this is the first demonstration of a fragment of a comet nucleus on earth.
“comet passing through our sky again and again, they are like dirty, dust mixed with snow balls,” said Block. “But never in the history of a comet’s material on earth has been found.” The chemical analysis of the black pebble revealed that it consists of 65 percent carbon. In contrast, the carbon content of meteorites lie usually only about 3 percent.
No longer just in the Earth’s atmosphere
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cometary impact caused to the satisfaction of scientists from a disaster of gigantic proportions that destroyed all life. In a 6000 square kilometer area of ??temperatures up to 2000 degrees Celsius had arisen. This has brought the sand to melt and produces silica glass. A brooch of the famous Pharaoh Tutankhamun, which shows a scarab (Ladybird) be made of this material. By the comet hit the findings also micro-diamonds were produced, according to the scientists.
So farmatter had been detected only from comets in the Earth atmosphere and in small traces in the ice of Antarctica. The pebble from the Egyptian desert was named after the ancient astronomer Hypatia who was born around 350 in Alexandria.
Source: n-tv.de
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