| Stars, however, come in a staggering range of luminosities, spanning ten orders of magnitude ten powers of ten. |
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| Stars as massive as this will have luminosities about one million times greater than that of the Sun. |
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| Visual galactic luminosities show similar spreads among the three types, but the irregulars tend to be less luminous. |
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| Of great statistical interest is the relationship between the luminosities of the stars and their frequency of occurrence. |
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| Several of the stellar class of white dwarf stars, which have low luminosities and high densities, also are among the brightest stars. |
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| So Dr Vauclair and his colleagues used XMM-Newton, a European X-ray-observation satellite that was launched in 1999, to measure the X-ray luminosities and the temperatures of eight distant clusters of galaxies. |
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| Characteristics of this projector brand are high luminosities, resolutions and special contrast values that ensure very high quality and true to life image display. |
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| The two most conspicuous differences are the overabundance of stars of brighter absolute luminosities and the underabundance or absence of stars of faint absolute luminosities. |
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