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Common, Andrew Ainslie

K. L. Johnson.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Photography and Photographs; Astronomy and Astrophysics. 1385 words.

Common, Andrew Ainslie (1841–1903), astronomer and astronomical photographer, was born on 7 August 1841 at Oxford Street, St Andrew, Newcastle upon Tyne, one of two sons of Thomas Common, a...

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schlieren photography

Overview page. Subjects: Photography and Photographs — Physics.

A technique that enables density differences in a moving fluid to be photographed. In the turbulent flow of a fluid, for example, short-lived localized differences in density create...

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