Earth Gone Mad

From the web page- Overview: The Mayan calendar is one of the oldest and most accurate calendar systems in human history. Using no more than their knowledge of the Earth, Sun, and stars, the Mayans were able to tabulate days, weeks, months, and years from 3113 BC until December 21, 2012 AD. No one knew why the Mayan calendar ended on that date.. On December 22, 2012, a small asteroid swung in from the outer solar system and clipped the moon. For over a year astronomers had been tracking the asteroid, but due to its small size had not thought it a serious threat. It proved, however, to have…

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