United Kingdom deaf astronomer John · ancient duleek _Alice

Http://www.dogstar.net/sys/show.php?articleid=462 John · ancient duleek (JohnGoodricke, 1764-September 17, 1786, 20 April), British-born astronomer in the Netherlands, in a prominent area of variable stars. Ancient duleek 1764, was born in the Netherlands, a child with fever cause hearing loss. He was a juvenile when the stars had a deep interest in it. 1782 winter, dissatisfied with the 20-year-old ancient duleek continuous observation at Perseus of variable stars five great mausoleum (Perseus β-star), measuring the optical variable cycle is 2 days 20 hours 49 minutes 8 seconds, and made a large tomb v optical variable mechanism that great mausoleum five is a light and a dark two stars of the binary system, two star mutual surround operation, when the two stars are obscured, the overall brightness is dimmed. 1888 Germany astronomers woge ear use spectroscopy confirms ancient duleek this idea. This variable-star now called food, or food binary binary stars. Ancient duleek 1783, the Royal Society of the United Kingdom reported his theory and get United Kingdom Royal Society Copley Medal. The next two years, the ancient duleek and have discovered two variables: lyre β Star (Chinese name is getting one second) and immortal throne δ Star (Chinese name make parent a). Ancient duleek rightly pointed out that the immortal throne δ star is one of my own changes in luminosity of real variables. In the immortal throne δ stars as the representative of a large class of stars called Cepheid. 1786, ancient duleek was elected a member of the Royal Society of United Kingdom. Two weeks later, are under the age of 22-year-old ancient duleek died from overwork. To commemorate this bit deaf astronomers, ancient duleek after the death of York University's School of ancient duleek to his name.