Tags: Planet.

PSR B1257+12 d (ex PSR B1257+12 C) is an extrasolar planet approximately 980 light-years away in the constellation of Virgo (the Virgin). PSR B1257+12C was one of the first planets ever discovered outside the Solar system and is currently the third object known to be orbiting the pulsar PSR B1257+12. The planet is nearly four times as massive as the Earth.

Exoplanet_Comparison_PSR_B1257+12_C.png

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