It after that goes away for 90 days before returning as the Evening Star. Mayan society related these events to the fatality and rebirth of Kukulcan, the skies god. Mayan books and monuments record this movement of Venus throughout the Mayan kingdom. The Mayan astronomers tracked the synodic lunations, or intervals between successive full moons. By determining 149 full moons throughout 4400 days, their math accurately forecasted a moon every 29.53 days.

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