Space on NBC News By Mike Wall 12/19/2012
J. Pinfield / RoPACS at University of Hertfordshire
Artist's impression of five possible planets orbiting the star Tau Ceti, which is just 11.9 light-years from Earth.
A sun-like star in our solar system's backyard may host five planets, including one perhaps capable of supporting life as we know it, a new study reports.
Astronomers have detected five possible alien planets circling the star Tau Ceti, which is less than 12 light-years from Earth — a mere stone's throw in the cosmic scheme of things. One of the newfound worlds appears to orbit in Tau Ceti's habitable zone, a range of distances from a star where liquid water can exist on a planet's surface.
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