first quarter moon


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Related to first quarter moon: full moon

first quarter moon

n.
The phase of the moon at which the moon, as viewed from Earth, appears to be half illuminated by the sun on its westernmost side.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The weather was fair with starry skies on a first quarter moon and the visibility was slightly clear and the sea state was calm during the incident.
"We will have the peak of Geminid Meteor Shower in our region, with the appearance of beautiful First Quarter Moon which will set early, visibility of Saturn and Jupiter in the end of night.
Along with the comet and meteor shower, residents will also see the appearance of the First Quarter Moon, which will set early and allow the visibility of planets Saturn and Jupiter towards the end of the night.
7, the New Moon will peak followed by the First Quarter Moon. The Full Moon will then occur on Dec.
[21] EVENING: The first quarter Moon and Regulus form a tight pair--less than 1[degrees] separates the two.
The Eugene Astronomical Society is hosting a star party as one of the series of "First Quarter Fridays" held each month on the Friday nearest the first quarter moon. This event draws dozens of people to share the view of the night sky.
The first quarter moon will make a fine close pairing with Jupiter on the evening of June 11.
As lunar light levels and moonrise and moonset times varied throughout the lunar cycle, illuminance levels in the "normal lunar light treatment" were reduced to 0.08 lux from the last quarter Moon until the first quarter Moon, with no lunar light present during the new Moon.
The visitors listened to detailed explanations on the lunar phases or the phases of the moon while orbiting the sun beginning from the new moon at the beginning of the month, then the crescent followed by the first quarter moon until it becomes a full moon or completely illuminated desk at the middle of the month.
Sunset will be around 6pm and the first quarter moon will dominate the night sky and will not set until 2.30am.
Above the holy places, in the clear sky of the early winter, shone a first quarter moon.
Fortunately this time not only was it a sunny day, but this also meant we had the first quarter Moon in the afternoon sky to show the visitors.