Did A Comet Cause The Great Flood?

Masse's biggest idea is that some 5,000 years ago, a 3-mile-wide ball of rock and ice swung around the sun and smashed into the ocean off the coast of Madagascar. The ensuing cataclysm sent a series of 600-foot-high tsunamis crashing against the world's coastlines and injected plumes of superheated water vapor and aerosol particulates into the atmosphere. Within hours, the infusion of heat and moisture blasted its way into jet streams and spawned superhurricanes that pummeled the other side of the planet. For about a week, material ejected into the atmosphere plunged the world into darkness... Among 175 flood myths, Masse found two of particular interest. A Hindu myth describes an alignment of the five bright planets that has happened only once in the last 5,000 years, according to computer simulations, and a Chinese story mentions that the great flood occurred at the end of the reign of Empress Nu Wa. Cross-checking historical records with astronomical data, Masse came up with a date for his event: May 10, 2807 B.C. On its own, the mythological evidence is weak, as even Masse recognizes. "Mythology can help us hypothesize about events that might have occurred," he says, "but to prove the reality of them, we have to go beyond myths and search for physical evidence." ...Ted Bryant, a geomorphologist at the University of Wollongong in New South Wales, Australia, was intrigued and enlisted the help of Dallas Abbott, an assistant professor at the Lamont-Doherty Earth Observatory at Columbia University... When Abbott began searching satellite images on Google Earth, she saw dozens of chevrons along shorelines and inland in Africa and Asia. The shape and size of these chevrons suggest that they might have been formed by waves emanating from the impact of a comet slamming into the deep ocean off Madagascar. "The chevrons in Madagascar associated with the crater were filled with melted microfossils from the bottom of the ocean. There is no explanation for their presence other than a cosmic impact," she says... Meanwhile, Bryant contends that chevrons found (pdf) 4 miles inland from the shore of Madagascar were formed by a wave that traveled 25 miles along the coast, moving almost parallel to the shoreline. "Neither erosion nor any other terrestrial process could have caused these formations. The biggest marine landslide ever recorded happened 7,200 years ago off the coast of Norway, and there was a tsunami, but it was a far cry from leaving deposits 200 meters above sea level," Bryant says.

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