Definition of Herschel, Sir John in English:

Herschel, Sir John

Line breaks: Sir John Her|schel
Pronunciation: /ˈhəːʃ(ə)l
( 1792–1871), English astronomer and physicist, son of William; full name Sir John Frederick William Herschel. He extended the sky survey to the southern hemisphere, carried out pioneering work in photography, and made contributions to meteorology and geophysics.

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