moonset concept from the Astronomy knowledge base

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moonset

subject fact

moonset has antonym moonrise 2001-09-27 09:30:03.0
has definition The times at which the apparent upper limb of the Moon is on the astronomical horizon just as it sets; i.e., when the true zenith distance, referred to the center of the Earth, of the central point of the disk is 90°34' + s - π, where s is the Moon's semidiameter, π is the horizontal parallax, and 34' is the adopted value of horizontal refraction. has source: Seidelman, P. 1992 Explanatory Supplement to the Astronomical Almanac, University Science Books, Mill Valley, CA*, 2001-09-27 09:30:03.0
is an instance of astronomical horizon event

location dependent periodic celestial event has observer location

periodic celestial event has period 2001-09-27 09:30:02.0

event has duration 2001-09-27 09:29:57.0
has synonym world point
has time of occurrence

moonset	has antonym moonrise
	has definition The times at which the apparent upper limb of the Moon is on the astronomical horizon just as it sets; i.e., when the true zenith distance, referred to the center of the Earth, of the central point of the disk is 90°34' + s - π, where s is the Moon's semidiameter, π is the horizontal parallax, and 34' is the adopted value of horizontal refraction.
	is an instance of astronomical horizon event
location dependent periodic celestial event	has observer location
periodic celestial event	has period
event	has duration
	has synonym world point
	has time of occurrence