A habitable planet for Tau Ceti
May. 25th, 2011 07:42 pmBasic information on this popular star can be found here. It has a luminosity a little under half of Sol's, 0.46 to be precise. Its life zone extends from 0.48 to 1.02 AU, with an Earth twin distance of 0.62. A planet in the sweet spot would have a year equivalent to 205 Earth days.