On 21st April 1992, Astronomers Aleksander Wolszczan and Dale Frail announced the discoveries of first extrasolar planets known to man. The two planets are orbiting the pulsar PSR 1257+12.
On 21st April 1992, Astronomers Aleksander Wolszczan and Dale Frail announced the discoveries of first extrasolar planets known to man. The two planets are orbiting the pulsar PSR 1257+12.