Second Earth?

Tau Ceti is the closest single star beyond out solar system. Scientists have discovered what may be five planets orbiting it. The temperature and luminosity of Tau Ceti nearly match the suns. If the planets are there, one of them is about the right distance from the star to have mild temperatures, oceans of water, and even life. Tau Ceti is only twelve light years away from Earth. This is just three times as far as the suns nearest stellar neighbor, Alpha Centauri. Tau Ceti resembles the sun in a lot of ways. Unlike most stars that are faint, cool, and small, Tau Ceti is a bright G-type yellow main sequence star like the sun. This is a trait that only one in twenty-five stars boasts

For more click http://news.sciencemag.org/sciencenow/2012/12/another-earth-just-12-light-year.html