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Frederick William Herschel [2] [3] KH, FRS (/ ˈ h ɜːr ʃ əl / HUR-shəl; [4] German: Friedrich Wilhelm Herschel [ˈfʁiːdʁɪç ˈvɪlhɛlm ˈhɛʁʃl̩]; 15 November 1738 – 25 August 1822) was a German-British [5] astronomer and composer.
Pages in category "Discoveries by William Herschel" The following 200 pages are in this category, out of approximately 395 total. This list may not reflect recent changes .
Sir John Frederick William Herschel, 1st Baronet KH FRS (/ ˈ h ɜːr ʃ əl, ˈ h ɛər-/; [2] 7 March 1792 – 11 May 1871) [1] was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint [3] [4] [5] and did botanical work.
The Catalogue of Nebulae and Clusters of Stars was first published in 1786 by William Herschel in the Philosophical Transactions of the Royal Society of London. [1] In 1789, he added another 1,000 entries, [2] and finally another 500 in 1802, [3] bringing the total to 2,500 entries. This catalogue originated the usage of letters and catalogue ...
William Herschel's 40-foot telescope, also known as the Great Forty-Foot telescope, was a reflecting telescope constructed between 1785 and 1789 at Observatory House in Slough, England. It used a 48-inch (120 cm) diameter primary mirror with a 40-foot-long (12 m) focal length (hence its name "Forty-Foot").
1800: Infrared radiation discovered by Sir William Herschel (1738–1822). 1802: Theory on physiological basis of colour vision proposed by Thomas Young (1773–1829). 1803–1807: Evidence for a wave theory of light discovered by Thomas Young (1773–1829). 1823: Electromagnet invented by William Sturgeon (1783–1850). [123]
1781: William Herschel announces discovery of Uranus, expanding the known boundaries of the Solar System for the first time in modern history. 1785: William Withering: publishes the first definitive account of the use of foxglove for treating dropsy. 1787: Jacques Charles: Charles's law of ideal gases.
The invention spreads rapidly across Europe, as scientists make their own instruments. ... William Herschel proves it is a very small object, calculating it to be ...