Friday, September 7, 2012

The waning of a gibbous Moon

The waning gibbous Moon lies between Jupiter and Aldebaran tonight, rising from the north-east in late evening.

A Gibbous Moon
A gibbous moon is one of the phases of the Moon, when the size of the illuminated portion is greater than half but not a full Moon.

The period between a first quarter moon and a full moon is known as a waxing gibbous moon, because the illuminated region of the Moon is increasing from day to day. 


After it becomes a full moon, but hasn’t reached the last quarter, the Moon is called a waning gibbous moon.

Alderban
Aldebaran (Alpha Tauri) is a red giant star located about 65 light years away in the zodiac constellation of Taurus.

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