GreenArcher

By GreenArcher

Waxing Gibbous

   The Waxing Gibbous on January 22 has an illumination of 90%. This is the percentage of the Moon illuminated by the Sun. The illumination is constantly changing and can vary up to 10% a day. On January 22 the Moon is 11.72 days old. This refers to how many days it has been since the last New Moon. It takes 29.53 days for the Moon to orbit the Earth and go through the lunar cycle of all 8 Moon phases.

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