Gliese 581g is an unconfirmed exoplanet that is about 20 light years away from the solar system. It claims to orbit around the star called Gliese 581. It's discovered since 2010.
To the parent star it's own, the temperature is about 3500 degrees Kelvin.
There is a possible life on Gliese 581g. We are not sure if there's life exists in this planet. Now it claims that Kepler 186f is now the earth-like planet instead of this one, but it's unknown but this one may be likely.
Earth Similarity Index: 0.92