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There is widespread and unnecessary fear of doomsday on December 21, 2012. Some people worry about a Maya prophesy of the end of the world, others fear a variety of astronomical threats such as collision with a rogue planet. Opinion polls suggest that one in ten Americans worry about whether they will survive past Dec 21 of this year, and middle-school teachers everywhere report that many of their students are fearful of a coming apocalypse. Following are brief facts that address these doomsday fears.

The Maya calendar, which is made up different cycles of day counts, does not end this year. Rather, one cycle of 144,000 days (394 years) ends and the next cycle begins.
The ancient Maya did not predict the end of the world or any disaster in December 2012. Such doomsday predictions are a modern hoax.
Nibiru is probably the minor name of a god found in ancient Mesopotamian writing. There is no planet named Nibiru, and the fictional books by economist Zecharia Sitchin about a civilization on this planet are a hoax
For the past decade there have been reports of a rogue object (Planet X, or Nibiru, or Hercubolus, or even Comet Elenin) that will collide with Earth in December 2012. These claims are not true. If such a threatening world existed, it would be one of the brightest objects in the sky, and astronomers would have been tracking it for years. If it existed, its gravity would be distorting the orbits of planets, especially Mars and Earth. Astronomers know that it does not exist.
There is no alignment of planets in Dec 2012. There is an approximate lining up of the Earth and Sun and the center of our Galaxy in late December, but this happens every year. In any case, planet alignments have no effect on the Earth
There is nothing strange this year about either the magnetic poles or the rotational poles of the Earth. The magnetic polarity changes every million years or so, but that is not happening now, and it probably takes thousands of years when it does happen. A sudden change in the rotational axis has never happened and is not possible. If there were any change in the Earth’s rotation, it would be instantly apparent by failure of our GPS systems.
Our planet is behaving normally in 2012, although we see more and more news stories about natural disasters. There has been no increase in earthquakes or volcanic eruptions. There has been an increase in extreme weather, including both droughts and floods, which are partly attributable to global warming, but this has nothing to do with a 2012 doomsday.

The Sun’s ongoing 11-year activity cycle is expected to peak in 2013, not 2012. Solar outbursts (flares and CMEs) can damage orbiting satellites but will not hurt us on the surface. The strength of the 2013 solar maximum is predicted to be lower than average, not higher.
The group most vulnerable to doomsday claims is children. Teachers report that many of their students are frightened and some are even considering suicide. This is the most tragic consequence of the 2012 hoax.
The idea of the sudden end of the world by any cause is absurd. The Earth has been here for more than 4 billion years, and it will be several more billion years before the gradual brightening of the Sun makes our planet unlivable. Meanwhile there is no known astronomical or geological threat that could destroy the Earth


The universe is not your enemy