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James Challis FRS (12 December 1803 – 3 December 1882) was an English clergyman, physicist and astronomer. Plumian Professor of Astronomy and Experimental Philosophy and the director of the Cambridge Observatory, he investigated a wide range of physical phenomena though made few lasting contributions outside astronomy.
James Challis was a British clergyman and astronomer, famous in the history of astronomy for his failure to discover the planet Neptune. Elected a fellow of Trinity College, Cambridge, in 1826 and ordained in 1830, Challis became Plumian professor of astronomy and director of the Cambridge.
- The Editors of Encyclopaedia Britannica
Dec 12, 2017 · James Challis (1803-1882) was an English clergyman, physicist and astronomer who became Astronomer Royal in 1846. He failed to identify the planet Neptune, predicted by John Couch Adams and Urbain Le Verrier, despite observing it twice in 1846.
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December 12 is the birthday of James Challis. Challis was an English astronomer who is best known for not discovering the planet Neptune. English mathematician John Couch Adams computed an orbit for an unknown planet that should exist to cause the peculiar orbit of the planet Uranus.
James Challis (12 December 1803 – 3 December 1882) was an English clergyman, physicist and astronomer. Plumian Professor and director of the Cambridge Observatory, he investigated a wide range of physical phenomena though made few lasting contributions outside astronomy.
James Challis was a Cambridge University astronomer best known for his failure to discover Neptune in the summer of 1846. Educated at Cambridge, where he was a senior wrangler, Challis was elected a fellow of Trinity College in 1826.
On the Problem of Three Bodies by Rev. James Challis [Phil. Trans. R.S.L. 146, 523 (1856)] Creation in Plan and Progress: being an Essay on the First Chapter of Genesis by Rev. James Challis [Cambridge: Macmillan, 1861] A Translation of the Epistle of the Apostle Paul to the Romans by Rev. James Challis [Cambridge: Deighton and Bell, 1871]
