Difference between revisions of "Full Moon"
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A '''Full Moon''' is the phase of the Moon when it is fully illuminated as a circle. Full Moons occur approximately every 28 days. [[Lunar eclipse]]s may only occur during a Full Moon, while [[solar eclipse]]s may occur only during a [[new moon]]. | A '''Full Moon''' is the phase of the Moon when it is fully illuminated as a circle. Full Moons occur approximately every 28 days. [[Lunar eclipse]]s may only occur during a Full Moon, while [[solar eclipse]]s may occur only during a [[new moon]]. | ||
| − | Two full moons in a month - a fairly rare occurrence - is called a "blue moon," leading to the phrase "once in a blue moon" to describe things that happen rarely. | + | Two full moons in a month - a fairly rare occurrence (every 32 months) - is called a "blue moon," leading to the phrase "once in a blue moon" to describe things that happen rarely. |
[[category:astronomy]] | [[category:astronomy]] | ||
Revision as of 18:49, April 2, 2008
A Full Moon is the phase of the Moon when it is fully illuminated as a circle. Full Moons occur approximately every 28 days. Lunar eclipses may only occur during a Full Moon, while solar eclipses may occur only during a new moon.
Two full moons in a month - a fairly rare occurrence (every 32 months) - is called a "blue moon," leading to the phrase "once in a blue moon" to describe things that happen rarely.