apparent(redirected from apparentness)
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Physics as observed but ignoring such factors as the motion of the observer, changes in the environment, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
apparentDenoting a property of a star or other celestial body, such as altitude or brightness, as seen or measured by an observer. Corrections must be made to obtain the true value.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
A term used to designate certain measured or measurable astronomic quantities to refer them to real or visible objects, such as the sun or a star.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.