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ShareIn general physics, luminosity (more properly called luminance) is the density of luminous intensity in a given direction..
For more information about the topic Luminosity, read the full article at Wikipedia.org, or see the following related articles:
Supergiant — Supergiants are the most massive stars. Supergiants can have masses from 10 to 70 solar masses and brightness from 30,000 up to hundreds of thousands ... > read more
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Radiant energy — Radiant energy is the energy of electromagnetic waves. The term is most commonly used in the fields of radiometry, solar energy, heating and ... > read more
Cepheid variable — A Cepheid variable or Cepheid is a member of a particular class of variable stars, notable for a fairly tight correlation between their period of ... > read more
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Red giant — A red giant is a large non-main sequence star of stellar classification K or M; so-named because of the reddish appearance of the cooler giant stars. ... > read more
Electromagnetism — Electromagnetism is the physics of the electromagnetic field: a field, encompassing all of space, which exerts a force on those particles that ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Luminosity at Wikipedia.org. See the Wikipedia copyright page for more details.
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