Astronomers discovered the first exoplanets in 1992. They found a pair of them orbiting the pulsar PSR B1257+12 about 2300 light-years from the Sun. …
Astronomers Scan 800 Pulsars to See If Any of Them Have Planets — Universe Today
Astronomers Scan 800 Pulsars to See If Any of Them Have Planets — Universe Today