phase angle concept from the Astronomy knowledge base

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phase angle

subject fact

phase angle has definition The angle measured at the center of an illuminated body between the light source and the observer. has source: Seidelman, P. 1992 Explanatory Supplement to the Astronomical Almanac, University Science Books, Mill Valley, CA, 2001-09-27 09:33:31.0
is a kind of angle

angle has unit angle unit 2001-09-27 09:33:30.0

number has value 2001-09-27 09:32:57.0

phase angle	has definition The angle measured at the center of an illuminated body between the light source and the observer.
phase angle	is a kind of angle
angle	has unit angle unit
number	has value