This danger is from the skies comes in the form of an asteroid, 2012 DA14, that will be passing extremely close to Earth around February 15, 2013. To put this into perspective it will be closer than some of the satellites in orbit.
What this means is that in addition to man-created weapons of mass destruction and those that are present in nature (i.e. earthquakes and tsunamis), the Earth faces danger from sources outside of this world. These are events even farther, if not completely, outside our control to do anything about.
Other examples of danger present in the universe includes a change in the Earth's geomagnetic field or solar flares, impossible to predict with any certainty and that could pack an extremely destructive punch!
Tunguska River, 1908
2012 DA14, expected to pass within 27,000 kilometers of Earth, is similar in size to the asteroid that detonated above Siberia in 1908 and that was felt as far away as London! The power of the blast was estimated to be 1,000 times more powerful than the atomic bomb that was dropped on Hiroshima.
It flattened over 1 million trees over an 850 square mile area.
So in addition to Iran, the global war on terror and even the coming end to the Mayan Calendar, we have to think about this as well.
There are, however, some things that are simply beyond our control and not worth worrying about! 2012 DA14 might be one of them!
H/T Ria Novosti
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