Comments for: Mayans’ calendars based on star activity Mayans’ calendars based on star activity Sacred monuments In the Mayan city of Uxmal in Mexico are the ruins of an observatory dating to about A.D. 600. It was used to plot the synodic period of Venus, the time between two appearances of the planet at the exact same point in… Read More Back to story →
Mayans’ calendars based on star activity Sacred monuments In the Mayan city of Uxmal in Mexico are the ruins of an observatory dating to about A.D. 600. It was used to plot the synodic period of Venus, the time between two appearances of the planet at the exact same point in… Read More
Comments for: Mayans’ calendars based on star activity
Mayans’ calendars based on star activity
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Mayans’ calendars based on star activity