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Mayan astronomers : ウィキペディア英語版 | Mayan astronomers
Maya astronomers in southern Mexico and northern Central America as long ago as two thousand years measured time accurately in three different interrelated ways. They were one of the first cultures to create a calendar that is 365 days long. A strong tradition of mathematical prowess was essential to development of the Mayan Calendar. The Maya also had a 104-year almanac based on the planet Venus and a 260 day calendar based on the apparent movement of the sun. The Maya gathered data about the movements of the stars, the moon, and the sun by naked-eye observation using stone monuments, stelae, buildings, and probably temporarily placed objects to help with precise alignments when recording. More than one of their ancient calendar series are still used today in many Maya communities. ==References== 〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Mayan astronomers」の詳細全文を読む
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