The first-ever discovered exoplanet
Thirty years ago, on January 22, 1992, was discovered PSR B1257+12 B, also nicknamed Poltergeist. It became the first-ever found planet outside the Solar System. Here are some facts about Poltergeist: placed in the constellation Virgolocated 2,300 light-years away;over four times as massive as the Earth; has an orbital period of about 66 days;orbits the…