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91 years
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Sir George Biddell Airy was an English mathematician and astronomer, Astronomer Royal from 1835 to 1881. His many achievements include work on planetary orbits, measuring the mean density of the Earth, a method of solution of two-dimensional problems in solid mechanics and, in his role as Astronomer Royal, establishing Greenwich as the location of the prime meridian. His reputation has been tarnished by allegations that, through his inaction, Britain lost the opportunity of priority in the discovery of Neptune....
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Neptune, 8th Planet from the Sun
Neptune is the eighth planet from the Sun and the fourth largest (by diameter). Neptune is smaller in diameter but larger in mass than Uranus.
In Roman mythology Neptune (Greek: Poseidon) was the god of the Sea.
After the discovery of Uranus,... |
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Lord Kelvin, William Thomson
The Right Honourable William Thomson, 1st Baron Kelvin, GCVO, OM, PC, PRS was a Scottish-Irish mathematical physicist and engineer, an outstanding leader in the physical sciences of the 19th century. Kelvin is known especially for his work on heat an... |
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