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
U.S. presidential election, 1804

... Votes) Thomas Jefferson (W) 162 Democratic-Republican George Clinton (162) Charles C. Pinckney[?] 14 Federalist Rufus King (14) Other elections: ...

This page was created in 36.8 ms