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³=START= XMT: 13:02 Thu Aug 01 EXP: 13:00 Thu Aug 08 ³
³ ³
³CATACLYSMIC COLLISION BETWEEN EARTH, METEORITE BROUGHT END ³
³TO AGE OF DINOSAUR ³
³ ³
³LONDON (AUG. 1) - The age of the dinosaur was brought to an ³
³abrupt end by a cataclysmic collision between the planet ³
³Earth and a massive meteorite 65 million years ago, Nature ³
³magazine said Thursday. ³
³ ³
³The dinosaur died, probably along with hundreds of other ³
³species, as a result of the collision, which threw up huge ³
³clouds of dust and debris, blotting out the sun and causing ³
³temperatures to nose-dive. ³
³ ³
³The resulting "impact winter" also killed thousands of ³
³plants as temperatures fell from an average of 19 degrees ³
³centigrade to -10 degrees, according to the article by Jack ³
³Wolfe of the U.S. Geological Survey. ³
³ ³
³Wolfe's research, based on a geological survey of an ancient³
³lily pond in Wyoming, provided startling new evidence in ³
³support of a long-held theory of why the dinosaur, the ³
³largest creature ever to walk on Earth, suddenly ³
³disappeared, Nature said. ³
³ ³
³Analysis of hundreds of plant remains preserved at the site ³
³enabled him to date the impact, thought to have occurred on ³
³the Yucatan peninsula in Mexico in early June. ³
³ ³
³=END= ³