luminosity classes

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luminosity classes [‚lü·mə′näs·əd·ē ‚klas·əz]

(astronomy)

A classification of stars in an orderly sequence according to their absolute brightness.

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No references found			Based on the relative populations of different stellar luminosity classes, Stern finds it "statistically likely that all comets in the Oort cloud have been [heated] to 27 kelvins [-246\|C] at least once, and that 20 to 40 percent of all Oort comets have experienced at least one episode of surface heating to 50 K [-223\|C]. Comets: life in an imperfect icebox by Eberhart, Jonathan / Science News			luminaire efficiency Luminaire, Recessed Luminance luminance carrier luminance channel luminance contrast Luminance Factor Luminance Meter luminance primary Luminance Ratio luminance signal Luminescence Luminescence Analysis luminescent luminescent cell Luminescent Center luminescent dye Luminescent Organism Luminescent Organs luminescent screen luminism luminol luminophor luminosity Luminosity Class luminosity classes luminosity curve luminosity factor Luminosity Function luminosity monitor Luminosity of a Star luminous Luminous Bacteria luminous blue variable luminous ceiling luminous cloud luminous coefficient luminous efficacy Luminous Efficacy of a Light Source Luminous Efficacy of Radiant Power luminous efficiency luminous emittance Luminous Energy Luminous Exitance Luminous Flux luminous flux density Luminous Intensity luminous mass luminous meteor luminous nebula luminous paint			luminesces luminesces luminescing luminiferous luminiferous Luminis Data Integration Suite Luminise Luminise Luminise Luminising Luminising Luminising luminism luminism luminist luminist Luminol luminol-amplified chemiluminescence Luminol-Dependent Spontaneous Chemiluminescence luminophor luminophor luminophore luminosities luminosities luminosity luminosity luminosity luminosity luminosity Luminosity class luminosity classes luminosity curve luminosity curve luminosity curve luminosity factor Luminosity function Luminosity function luminosity monitor Luminosity of a Star Luminosity of animals Luminosity of animals Luminosity of animals Luminosity-Type Horizontal Cell luminous luminous luminous luminous Luminous Bacteria Luminous blue variable Luminous blue variable luminous ceiling luminous cloud Luminous coefficient Luminous Compact Blue Galaxies Luminous efficacies Luminous efficacies Luminous efficacies Luminous efficacy Luminous efficacy Luminous efficacy Luminous efficacy

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