File:Glass prism, mounted at end of a brass tube, used by Sir William Herschel 10287820 H.jpg

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English: Glass prism, mounted at end of a brass tube, used by Sir William Herschel (1738-1822) in experiments on thermal radiation in the solar spectrum. Herschel, the German-born British astronomer, constructed his own telescope after taking up astronomy as a hobby. As well as famously discovering the planet Uranus in 1781 and two of its satellites, Herschel performed a major study of Saturn, during which he discovered two satellites, the rotation of the planetary rings and the period of the planet's rotation. He also catalogued and investigated the motions of binary stars, the results of which are still in use.
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Source https://collection.sciencemuseumgroup.org.uk/objects/co3632
Author Science Museum, London / Science and Society Picture Library

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This image was originally posted to Flickr by Science Museum London at https://www.flickr.com/photos/98833223@N00/9660575845. It was reviewed on 4 September 2013 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

4 September 2013

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current10:29, 3 September 2013Thumbnail for version as of 10:29, 3 September 2013931 × 1,250 (327 KB)John Cummings (talk | contribs)User created page with UploadWizard

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