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absolute magnitude |
Also found in: Wikipedia, Hutchinson | 0.10 sec. |
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absolute magnitude: see magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the ..... Click the link for more information. . How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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New from Tricor Systems are 820 Series video photometers that
measure the absolute brightness of any size sample in f[lambda] or
cd/[m. |
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