An icy extrasolar planet was discovered orbiting a red dwarf 9,000 ly away from the Earth, reports National Geographic News. The planet, 13x bigger than the Earth, is cataloged as OGLE-2005-BLG-169lb. Though the planet was terrestrial, its surface temperature is a chilly -201 deg. C, about as cold as Neptune. The planet was discovered using a technique called gravitational microlensing.