Waxing Crescent Moon (NASA, International Space Station, 02/28/09)

On the Sighting of the Crescent Moon

The sighting of the new moon is a particular subject in astronomy that has fascinated many observers since prehistory. Evidence of early human civilizations using the moon as a basis to measure time in the form of an actual lunar calendar has been discovered in the ancient plains of Scotland, dating back to 8,000 B.C. […]

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