Earth Two? - Newly-discovered planet just like Earth

Gliese 581g, located around 123trillion miles away, orbits a star at a distance that places it squarely in the habitable - or Goldilocks - zone, Nasa said. 

Let there be water! This artist's impression of Gliese 581g around its host star, a red dwarf, about 20 light years away. Gliese 581g has a 37-day orbit and is around three to four times the mass of Earth

Read more: http://www.dailymail.co.uk/sciencetech/article-2066185/Gliese-581g-Newly-discovered-planet-just-like-Earth-contain-liquid-water.html#ixzz1f3JMFn00