So in 1992 at the American Astronomical Society meeting, which is one of the largest gatherings of astronomers on the planet, he stood up and announced that he had made a mistake and that the planet did not exist.
Então, em 1992, no encontro da American Astronomical Society, um dos maiores encontros de astrônomos do planeta, ele se levantou e anunciou que havia cometido um erro e que o planeta não existia.