Yes, i took those readings from http://exoplanet.eu/planet.php?p1=Gl+581&p2=e and just put it in my extrasolar.ssc but Spiff it is said on many places that the size is around 1.5 times of Earths radius that is- 6,378 * 1.5 = 9,567 radius and by your calculations 1.94^(1/4) = 1.1802. Likely radiu...