Tags: Planet.
PSR B1257+12 c (ex PSR B1257+12 B) is an extrasolar planet (approximately 980 light-years away) in the constellation of Virgo (the Virgin). PSR B1257+12B was the first planet ever discovered outside the Solar System and is one of three objects known to be orbiting the pulsar PSR B1257+12 which it circles at a distance of 0.36 AU with an orbital period of approximately 66 days. The planet is over four times as massive as the Earth.
