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luminosity |
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luminosityIn astronomy, amount of light emitted by a star, expressed as the rate at which it emits energy, as absolute magnitude, or as a ratio to the luminosity of the Sun. The apparent brightness of an object results from its luminosity and its distance from the observer. 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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