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Ancient Observatories (Pt 4): Mayan Astronomy

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Uploaded by on Aug 15, 2007

Fourth segment of NASA Connect Ancient Observatories describing the Ancient Mayan civilization and their accomplishments. This segment compares the Mayan counting system to the Roman counting system and has a brief exercise for students to add the numbers 21 and 33 using both systems.

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  • thanks.. now to wonder whether its justifiable to connect the dots..

  • June 21 or 22 in the Northern Hemisphere,

    December 21 or 22 in the Southern Hemisphere

  • wait.. whats the date for the longest day of the year again?

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