Encyclopedia > Luminosity

  Article Content


In astronomy, luminosity is the amount of energy a body radiates in unit time. Stellar luminosities are usually expressed in solar luminosities, sometimes the absolute bolometric magnitude is given instead, what is related to the luminosity. In X-ray and radio wavelengths, luminosity is sometimes expressed in watts.

In physics, luminosity is the density of luminous intensity[?] in a given direction.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Islandia, New York

... over, there are 88.8 males. The median income for a household in the village is $69,519, and the median income for a family is $69,615. Males have a median income of ...

This page was created in 40.9 ms