Other Definitions twinkling (dict)
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TwinklingTwinkling consists of changes in the apparent brightness and position of stars caused by atmospheric turbulence and various other irregularities. In photographs, twinkling causes an image to be "smeared" into a "seeing disk". The effects of twinkling in photography and astronomy can be partially corrected for by active and adaptive optics. Twinkling is the subject of the song Twinkle, Twinkle, Little Star (1761).
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