View source for Local Sidereal Time

'''Local Sidereal Time'''

Local [[Hour Angle|hour angle]] of the [[Vernal Equinox|vernal equinox]], expressed in [[time]] units; the [[arc]] of the [[Celestial Equator|celestial equator]], or the [[angle]] at the [[Celestial Pole|celestial pole]], between the upper branch of the local [[Celestial Meridian|celestial meridian]] and the [[Hour Circle|hour circle]] of the vernal [[equinox]], measured westward form the upper branch of the local celestial meridian through 24 [[hour|hours]]. 

==References==
''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]''
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