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The event or time of the disappearance of the moon's upper circumferential edge as it sets below the horizon.


(Astronomy) the moment when the moon disappears below the horizon



1. the setting of the moon below the horizon.
2. the time at which this happens.
[1835–45; moon + (sun) set]
References in periodicals archive ?
This magnificent meeting was resembled the Moonsets which are generally observed in South Africa.
Despite the cloudy weather, moonset was observed when the clouds dispersed and sky became clear.
the celestial path taken post-conjunction) and diurnal descent angles for the full year pattern, at choices of latitude, staring from conjunction up to the a maximum of 48 hours accumulated elongation, which encompass the first two moonsets following conjunction, plus some margin.
From space, he said: "I've had chance to soak up the sunrises and sunsets, the moonrises and moonsets, the views of the Himalayas, Australia, all the continents."
If the readers apply, as I did, Romain's solar and lunar azimuths to the locations of windows, doorways, and rooms in their homes, they may be surprised to find alignments with the winter and summer solstice sunrises and sunsets, and the maximum and minimum moonrises and moonsets. How then can we objectively prove, beyond a reasonable doubt, that an ancient Ohio earthwork, more than a thousand years old, was intentionally built in alignment with a significant astronomical event?