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Opis
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.
Datum
Vir www.andrewdunnphoto.com
Avtor User:Solipsist (Andrew Dunn)

Licenca


Photograph © Andrew Dunn, 5 November 2004.
Website: http://www.andrewdunnphoto.com/
Jaz, imetnik avtorskih pravic na tem delu, ga objavljam pod naslednjo licenco:
w:sl:Creative Commons
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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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5. november 2004

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Datum in časSličicaVelikostUporabnikKomentar
trenutno16:52, 19. april 2019Sličica za različico z datumom 16:52, 19. april 20191.024 × 891 (376 KB)Fabian RRRRReverted to version as of 07:16, 10 January 2010 (UTC), more realisitc
20:43, 20. maj 2018Sličica za različico z datumom 20:43, 20. maj 20181.024 × 891 (516 KB)Till.niermannWhite balance
09:16, 10. januar 2010Sličica za različico z datumom 09:16, 10. januar 20101.024 × 891 (376 KB)DrJungedenoised, sharpened.
11:22, 23. maj 2009Sličica za različico z datumom 11:22, 23. maj 20091.024 × 891 (126 KB)Thomas Gunah, fair play
11:20, 23. maj 2009Sličica za različico z datumom 11:20, 23. maj 20091.024 × 891 (118 KB)Thomas Gunnot sure what was wrong with the colour before?
18:50, 16. oktober 2007Sličica za različico z datumom 18:50, 16. oktober 20071.024 × 891 (126 KB)Fabian CommonsWhite Balance
20:44, 1. september 2006Sličica za različico z datumom 20:44, 1. september 20061.024 × 891 (118 KB)Thuressonlarger
23:54, 14. januar 2006Sličica za različico z datumom 23:54, 14. januar 2006688 × 599 (71 KB)Xocoyote~commonswikiFrom wikipedi in english.

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