Johann Franz Encke (German pronunciation: [ˈjoːhan ˈfʁants ˈɛŋkə]; 23 September 1791 – 26 August 1865) was a German astronomer. Among his activities, he worked on the calculation of …

Johann Franz Encke (born Sept. 23, 1791, Hamburg—died Aug. 26, 1865, Spandau, Ger.) was a German astronomer who in 1819 established the period of the comet now known by his name …

Johann Franz Encke was a German astronomer. He worked on the calculation of the periods of comets and asteroids, measured the distance from the earth to the sun, and made …

2018年5月18日 · Encke, Johann Franz (b. Hamburg, Germany, 23 September 1791; d. Spandau [near Berlin], Germany, 28 August 1865) astronomy. The eighth child of a Lutheran preacher, …

Charles Pritchard (1808-1893), an astronomer, clergyman, educational reformer and founder of Clapham Grammar School in 1834, was one of the two secretaries of the Royal Astronomical …

During the 1700s-1800s, the Germans seemed to have a flair for producing what would be the world’s renowned set of astronomers to have ever lived. One of them is Johann Franz Encke. …

Johann Franz Encke. 1791-1865. German astronomer known for his mathematical work in astronomy, especially on short periodic comets. Following the discovery of a comet with a very …