Five reasons the world won't end in 2012

On Dec. 21, 2012, many doomsday believers fear the apocalypse ? anything from a rogue planet smashing into us to our world spinning end over end. However, the world should expect nothing more next year than the winter solstice, the longest night of the year, NASA says.

Many people point to the?end of the Mayan Long Count calendar?on Dec. 21, 2012 as evidence of the coming apocalypse, but astronomers have been quick to stress that there is nothing to be concerned about.

According to the ancient Mayan calendar, next year's winter solstice marks the end of a 144,000-day cycle. This cycle, which begins at the mythical Maya creation date, has already been repeated 12 times. The 13th will end in 2012, capping a full 5,200-year Mayan cycle of creation.

This date has long been shrouded in mystery, with many claiming that it will bring destruction to our planet. [End of the World? Top Doomsday Fears]

- Charles Q. Choi,?SPACE.com

One fear is that a rogue planet that has been dubbed?"Nibiru" or "Planet X"?is supposedly aimed at Earth. Self-proclaimed Nibiru expert Nancy Lieder, who says she is in contact with the aliens from Zeta Reticuli, first said Nibiru would cause widespread disaster in May 2003, only to change it to Dec. 21, 2012.

There is, however,?no evidence that Nibiru is real.

"Nibiru is ridiculous because it doesn't exist ? it never existed as anything other than a figment of the imagination by pseudo-scientists who don't seem bothered by a complete lack of evidence," astronomer Don Yeomans, manager of NASA's Near-Earth Object program office at the Jet Propulsion Laboratory in Pasadena, Calif., told SPACE.com.

There is no basis for the claim that it might be lurking behind the sun, as it could not have hidden from observation until now, Yeomans said. If such a planet was headed toward Earth by Dec. 21, 2012, it would already be visible to the naked eye.

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Source: http://rss.csmonitor.com/~r/feeds/science/~3/JnFK54X8rRc/Five-reasons-the-world-won-t-end-in-2012

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