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Moon’s phases | Almanac.com

Moon’s phases

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Moon’s phases
The continually changing appearance of the Moon, caused by the different angles at which it is illuminated by the Sun. First Quarter: The right half of the Moon is illuminated, as seen from the Northern Hemisphere. Full: The Sun and the Moon are in opposition; the entire disk of the Moon is illuminated as viewed from Earth. Last Quarter: The left half of the Moon is illuminated, as seen from the Northern Hemisphere. New: The Sun and the Moon are in conjunction; the entire disk of the Moon is darkened as viewed from Earth.

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