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apparent magnitude

noun, Astronomy.
1.
the magnitude of a star as it appears to an observer on the earth.
Origin of apparent magnitude
1870-1875
First recorded in 1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for apparent magnitude
Historical Examples
  • The comet of 1652, so carefully observed by Hevelius, almost equaled the moon in apparent magnitude.

    Comets and Meteors Daniel Kirkwood
  • The meteors varied in apparent magnitude from the smallest visible points to fire-balls equaling the moon in diameter.

    Comets and Meteors Daniel Kirkwood
  • The apparent magnitude of an object depends upon the angle which it subtends to the eye of the observer.

  • Its distance then can be determined by contrasting its actual candle power with the apparent magnitude as seen from the earth.

  • Its approach was indicated, not so much by any perceptible change of position, as by an increase of apparent magnitude.

  • The apparent magnitude of its nucleus was three times greater than that of Jupiter.

    Comets and Meteors Daniel Kirkwood
  • The sun on this scale of comparative brightness is of the -26.7 apparent magnitude.

    Astronomy for Young Folks Isabel Martin Lewis
  • Thus he looks down, as it were, upon the heaviest seas, and this greatly diminishes their apparent magnitude and elevation.

    Rollo on the Atlantic Jacob Abbott
  • The inward grace required must not be measured by the apparent magnitude of the burden, but the strength of the sustainer.

    Patience James W. Alexander
  • A fast reading with the photocell gave me the apparent magnitude and a comparison with its absolute magnitude showed its distance.

    The Repairman Harry Harrison
British Dictionary definitions for apparent magnitude

apparent magnitude

noun
1.
another name for magnitude (sense 4)
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
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apparent magnitude in Science
apparent magnitude  
See under magnitude.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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