Why is 20.12.2012 so special?

Magic numbers abound in the Gregorian calendar – so you don't have to fear a Mayan apocalypse to know that this special date marks the end of an era. Numerically speaking

One doesn't have to be a Mayan to believe that 21.12.2012 represents a numerological end of an era. Apocalyptic visions stem from reading the Mesoamerican long count calendar. But even in the Gregorian calendar, there's something special about 20.12.2012......
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Star's planet 'could support life'

Star's planet 'could support life'

A planet with conditions that could support life orbits a twin neighbour of the sun visible to the naked eye, scientists have revealed.
The planet is one of five thought to be circling Tau Ceti, a star just 12 light years away which is almost identical to the sun.
Astronomers estimate the Tau Ceti planets to be two to six times bigger than Earth.
One of them, with five times the Earth’s mass, lies in the star’s “habitable zone”.
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