File:NewtonsTelescopeReplica.jpg

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English: A replica of Isaac Newton's second reflecting telescope of 1672.
This was a new design of telescope - the Newtonian reflector. Newton's work on optics and splitting white light, led him to believe that all refracting telescopes would suffer from chromatic aberration. His new design of reflecting telescope minimized this problem. However, due to problems with accurately grinding the mirror, Newton's telescope actually caused more image distortions than other contemporary telescope and more than a century passed before reflecting telescope became popular. Newton's first telescope had an objective concave primary mirror diameter of about 1.3 inches (33 mm) with a 6 inch (150mm) long focal length. It had the ability to magnify about 40 times, with a performance similar to a 6 foot (2m) long refracting telescope Newton compared it to (PBS/Nova: Newton's Dark Secrets). Newton presented a second version of his reflector to the Royal Society in 1672 (The History of the Telescope By Henry C. King, Page 74) and was admitted as a fellow of the society in the same year.

This replica of that second Royal Society reflector and is in the Whipple Museum of the History of Science in Cambridge.
Date
Sorgende www.andrewdunnphoto.com
Autore User:Solipsist (Andrew Dunn)

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Photograph © Andrew Dunn, 5 November 2004.
Website: http://www.andrewdunnphoto.com/
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Image history of en:Image:NewtonsTelescopeReplica.jpg:

  • (del) (rev) 00:32, 6 November 2004 . . Solipsist . . 1024×891 (119,970 bytes) (A replica of Isaac Newton's telescope of 1672.)

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Replica of Isaac Newton's second reflecting telescope of 1672.

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telescopio newtoniano italiano

nepalese italiano

data di fondazione o creazione italiano

5 Nov 2004

tipo di file italiano

image/jpeg

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Sciurne/OrarieThumbnailDimenziuneUtendeCommende
corrende16:52, 19 Abb 2019Thumbnail p'a versione de 16:52, 19 Abb 20191 024 × 891 (376 KB)Fabian RRRRReverted to version as of 07:16, 10 January 2010 (UTC), more realisitc
20:43, 20 Màs 2018Thumbnail p'a versione de 20:43, 20 Màs 20181 024 × 891 (516 KB)Till.niermannWhite balance
09:16, 10 Sce 2010Thumbnail p'a versione de 09:16, 10 Sce 20101 024 × 891 (376 KB)DrJungedenoised, sharpened.
11:22, 23 Màs 2009Thumbnail p'a versione de 11:22, 23 Màs 20091 024 × 891 (126 KB)Thomas Gunah, fair play
11:20, 23 Màs 2009Thumbnail p'a versione de 11:20, 23 Màs 20091 024 × 891 (118 KB)Thomas Gunnot sure what was wrong with the colour before?
18:50, 16 Ott 2007Thumbnail p'a versione de 18:50, 16 Ott 20071 024 × 891 (126 KB)Fabian CommonsWhite Balance
20:44, 1 Set 2006Thumbnail p'a versione de 20:44, 1 Set 20061 024 × 891 (118 KB)Thuressonlarger
23:54, 14 Sce 2006Thumbnail p'a versione de 23:54, 14 Sce 2006688 × 599 (71 KB)Xocoyote~commonswikiFrom wikipedi in english.

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