In which year did the conclusive discovery of two extrasolar planets circling the pulsar PSR 1257+12 occur?

Aleksander Wolszczan and Dale Frail reported the finding of two planets circling the pulsar PSR 1257+12 on January 9, 1992. This finding was verified and is widely regarded as the first conclusive detection of extrasolar planets.

Asked by Vasilii Kulev · Last updated 4 years ago · 1.8K views · SOURCE