a) The New York Times - At least once in Earth’s history, global warming ended quickly, and scientists have long wondered why. Now researchers are reporting that the abrupt cooling — which took place about 12,900 years ago, just as the planet was emerging from an ice age — may have been caused by one or more meteors that slammed into North America:
b) The Atlantic - The Sky is Falling - The odds that a potentially devastating space rock will hit Earth this century may be as high as one in 10. So why isn’t NASA trying harder to prevent catastrophe?:
c) Immanuel Velikovsky, Worlds in Collision - A few information on this event that took place 3600 years ago:
"A comet pasing sufficiently close, would raise the waters of the oceans miles high... the Chinese annals... the water of the ocean was heaped up and cast upon the continent of Asia... The traditions of the people of Peru... the ocean left the shore and with a terrible din broke over the continent... The rain of meteorites and fire from the sky, the clouds of dust of exogenous origin that drifted low, and the displacement of the world quarters created the impression that the sky had collapsed... The Talmud and other ancient rabbinical sources tell of great disturbances in the solar movement at the time of the Exodus and the Passage of the Red Sea... The ancient people of Mexico reffered to a world age that came to its end... Strabo relates, in the name of Ptolemaeus, the son of Lagus, a general of Alexander and founder of the Egyptian dynasty called by his name, that the Celti who lived on the shores of the Adriatic were asked by Alexander what it was they most feared, to which they replied that they feared no one, but only that the sky might collapse":
d) Experts call from global network to prevent asteroid disasters:
