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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.
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.
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").
August 28 and September 17 – William Herschel discovers Saturn's moons Enceladus and Mimas, which he describes to the Royal Society of London on November 12. [ 2 ] Maximilian Hell establishes the constellations Tubus Hershelli Major and Minor in honour of Herschel's discovery of Uranus (constellations obsolete by 1930).
William Herschel splits sunlight through a prism and with a thermometer, measures the energy given out by different colours. He notices a sudden increase in energy beyond the red end of the spectrum , discovering invisible infrared and laying the foundations of spectroscopy.
Caroline Herschel began her astronomical career, although somewhat reluctantly at first, by assisting her brother William Herschel. Caroline Herschel is most remembered for her discovery of eight comets and her Index to Flamsteed's Observations of the Fixed Stars (1798). On August 1, 1786, Herschel discovered her first comet, much to the ...
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.