a photographic technique for clarifying the telescopic images of a star by taking short exposures of the electronic images of the star's speckle pattern and extrapolating properties of the starlight to create a more accurate composite image.
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Which definition best describes “spang”?
Words nearby speckle interferometry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for speckle interferometry
astronomy a technique to increase the angular resolution of telescopes that are impaired by atmospheric turbulence, in which the information from a number of exposures of very short duration is combined
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012