December 21st, 2012, is the day that has some people worried that the world will come to an end. For those of you who are not up to date with the whole 2012 apocalypse thing, December 21st of next year is the last day of the Mesoamerican Long Count calendar.

The Mesoamerican or Mayan Long Count Calendar started in 3,114 B.C. and ends a year from today. In the Maya Long Count, the previous world ended after 13 b'ak'tuns, or roughly 5,125 years. A b'ak'tun is a period consisting of 394 years. According to the K'iche' Maya's compilation of the creation accounts called the Popol Vuh, we are living in the fourth world.

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The Mayans were known to be great astronomers. They defintely has a better view of the night sky back then without the presence of artificial light and light pollution. They prediced apocalyptic events such as a solar shift and cataclysmic earthquakes.

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Of course, this has led to much talk about the end of the world. The Maya aren't the only civilization that believe 2012 is the end. Another 2012 theory is the Nibiru/Planet X collision with Earth. A theory from Nancy Lieder, who said she was abducted by 'grey' aliens from the Zeta II Reticuli star system and had a implant inserted in her brain. She states that she was chosen to warn mankind that the object would sweep through the inner Solar System causing Earth to undergo a pole shift that would destroy most of humanity. She runs the website 'ZetaTalk'.

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There are many more 2012 theories, but the last one I will talk about is the infamous 'zombie apocalypse'. What if some mega-virus turns most people into zombies? Would you be ready for such a situation.

The Maya are already preparing for the end of the calendar. They have started the doomsday clock and will be celebrating all year long. If 12-21-2012 was our last day on earth, what would you do?

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