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Difference between revisions of "Steradian"

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A unit of measurement of a [[Solid angle|solid angle]]. A steradian is the solid angle that cuts out on a sphere a surface described around the vertex of the angle of area equal to the square of the radius of the sphere. A complete sphere forms a solid angle equal to <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/s/s087/s087740/s0877401.png" />. Denoted by ster.
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A unit of measurement of a [[Solid angle|solid angle]]. A steradian is the solid angle that cuts out on a sphere a surface described around the vertex of the angle of area equal to the square of the radius of the sphere. A complete sphere forms a solid angle equal to $4\pi$. Denoted by ster.

Latest revision as of 09:41, 15 April 2014

A unit of measurement of a solid angle. A steradian is the solid angle that cuts out on a sphere a surface described around the vertex of the angle of area equal to the square of the radius of the sphere. A complete sphere forms a solid angle equal to $4\pi$. Denoted by ster.

How to Cite This Entry:
Steradian. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Steradian&oldid=31703
This article was adapted from an original article by BSE-3 (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article