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Words related to luminosity

lu·mi·nos·i·ty
L l

  • luminosity class

    a classification of stars of a given spectral type according to their luminosity, breaking them down into dwarfs, giants, and supergiants.

  • iceblink

    a yellowish luminosity near the horizon or on the underside of a cloud, caused by the reflection of light from sea ice.

  • luminance

    brightness

  • meteoroid

    any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor.

  • rr lyrae star

    Astronomy. one of a group of pulsating variable stars found in the halo of the Milky Way, with periods between 1.2 and 30 hours; all have approximately the same luminosity and are therefore used for measuring distances.

  • snowblink

    a white luminosity on the underside of clouds, caused by the reflection of light from a snow surface.
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