Phases of the Moon, 2011 calendar
Calendar, Jan 2011 (12 months)
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A dozen photographs of the Moon illustrating its changing face as it revolves around the Earth. Two photos were exposed to reveal the dark side of the Moon illuminated by sunlight reflected from the Earth. A multiple-exposure of the totally eclipsed Moon taken on October 27, 2004 shows the Moon moving through the shadow of the Earth. A second multiple exposure shows a total lunar eclipse on August 28, 2007. Exposures were made every four minutes as the Earth's rotation carried the Moon across the field of view.