English clergyman, physicist and astronomer (1803–1882)
James Challis
Born
(1803-12-12)12 December 1803
Braintree, Essex, England
Died
3 December 1882(1882-12-03) (aged 78)
Cambridge, England
Known for
Not discovering Neptune
Scientific career
Fields
Astronomy
Institutions
Cambridge Observatory
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. He is best remembered for his missed opportunity to discover the planet Neptune in 1846.
to discover the planet Neptune in 1846. Challis was born in Braintree, Essex where his father, John Challis, was a stonemason. After attending various...
popular. In 2020, Challis made the documentary Boycie in Belgrade, exploring why the show was so beloved in the Balkan country. Challis performed many stage...
estimate, Airy persuaded JamesChallis to search for the planet. Challis vainly scoured the sky throughout August and September. Challis had, in fact, observed...
communicated to Airy a few weeks later. Adams certainly gave Challis no detailed calculations and Challis was unimpressed by the description of his method of successively...
Heinrich J. Vogel An Essay on the Scriptural Doctrine of Immortality by JamesChallis Eternity: Christ's Return, Chiliasm, Resurrection of the Dead, Judgment...
observation, appeared to be being pulled slightly out of position in the sky. JamesChallis started searching for it in July 1846, and he sighted this planet on...
taught his bed maker to read. Apparently, Adams communicated his work to JamesChallis, director of the Cambridge Observatory, in mid-September 1845, but there...
(representing time elapsed). This is in part anticipated by the Merton rule. JamesChallis repeated this assumption in 1869. Bernhard Riemann made a similar argument...
neurologist David Buck, actor Richard Berengarten, poet Francis Cammaerts JamesChallis, astronomer Ernest Cook, English philanthropist and businessman (grandson...
The Challis Professorship are professorships at the University of Sydney named in honour of John Henry Challis, an Anglo-Australian merchant, landowner...
Lambert, while working at the Munich Observatory in 1845 and 1846; and by JamesChallis (4 and 12 August 1846). Merton, Robert K. (December 1963). "Resistance...
orbit of Uranus. August 8 – Neptune observed but not recognised by JamesChallis. August 31 – Urbain Le Verrier publishes full details of the predicted...
Arthur Cayley, Donald Coxeter, Arthur Eddington, Ben Green, John Herschel, James Inman, J. E. Littlewood, Lee Hsien Loong, Jayant Narlikar, Morris Pell,...
suggested that he had made similar predictions, on 9 July Airy urged JamesChallis to undertake a systematic search in the hope of securing the triumph...
the following year Yule was transferred to the care of the Reverend JamesChallis, at Papworth Everard near Cambridge. The other resident pupils were...
(1796–1821) Robert Woodhouse (1822–1827) George Biddell Airy (1828–1835) JamesChallis (1836–1882) George Darwin (1883–1912) Arthur Eddington (1913–1944) Harold...
Vernon, the NSW Government Architect, using funds from the Challis Bequest. John Henry Challis (1806–1880), an English born merchant and philanthropist...
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