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  1. Lumosity - Brain Training Games | Exercise Your Mind

    Exercise Memory, Flexibility, and more with the world's most popular brain-training program. Discover What Your Mind Can Do with Lumosity.

  2. Luminosity - Wikipedia

    In SI units, luminosity is measured in joules per second, or watts. In astronomy, values for luminosity are often given in the terms of the luminosity of the Sun, L⊙.

  3. LUMINOSITY Definition & Meaning - Merriam-Webster

    The bulbs, which light up in various color patterns—red, orange, green, blue—show the artist’s interest in conveying the warmth and luminosity of the world.

  4. Luminosity | Brightness, Magnitude & Intensity | Britannica

    Luminosity, in astronomy, the amount of light emitted by an object in a unit of time. The luminosity of the Sun is 3.846 × 1026 watts (or 3.846 × 1033 ergs per second).

  5. LUMINOSITY | definition in the Cambridge English Dictionary

    LUMINOSITY meaning: 1. the state of producing or reflecting bright light; the state of appearing to shine: 2. the…. Learn more.

  6. Luminosity in Physics: Definition, Formula & Key Concepts - Vedantu

    Luminosity is an intrinsic, fixed measure of the total energy an object radiates per second. In contrast, apparent brightness is an observer-dependent measure of how bright an object appears from a …

  7. Luminosity and Apparent Brightness | ASTRO 801: Planets, Stars ...

    The luminosity of a star, on the other hand, is the amount of light it emits from its surface. The difference between luminosity and apparent brightness depends on distance.

  8. luminosity noun - Definition, pictures, pronunciation and usage notes ...

    Definition of luminosity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  9. Luminosity Explained

    What is Luminosity? Luminosity is an absolute measure of radiated electromagnetic energy per unit time, and is synonymous with the radiant power ...

  10. LUMINOSITY definition in American English | Collins English Dictionary

    the brightness of a star in comparison with that of the sun: the luminosity of Sirius expressed as 23 indicates an intrinsic brightness 23 times as great as that of the sun