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10-21-1845

John Couch Adams, after two unsuccessful attempts to present his work in person to the British Royal Astronomer Sir George Airy, left a copy of his calculation regarding a hypothetical planet at the Royal Observatory. Airy criticized the work and didn't search for the planet right away. Consequently, Neptune was discovered by astronomers at the Berlin Observatory.

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John Couch Adams
George Biddell Airy
Date: 
Tuesday, October 21, 1845