On 6 October 1995 at a conference in Florence, Italy, the Swiss astronomers Michel Mayor and Didier Queloz made a sensational announcement: They had discovered the first planet orbiting another solar-type star. They had already celebrated at the Observatory of Haute-Provence in private in summer 1995, but wanted to make sure that they had eliminated all sources of error before presenting their discovery. The pioneering paper about “A Jupiter-mass companion to a solar-type star” was published on 23 November 1995 in the journal Nature. In 2019 Michel Mayor and Didier Queloz were awarded the Nobel Prize in Physics for the discovery of an exoplanet orbiting a solar-type star.
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