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When was the first time you wondered about the stars?
Have you ever noticed their nightly or yearly motion?
Ever noticed the Sun's yearly motions?
Ancient Cultures were able to predict these motions. Their efforts have formed the basis of the science of astronomy
Stonehenge: 3100--2300 BC
Medicine Wheel: 500 BC
Ancient Babylon: 500 BC
Greek Astronomers: 300--200 BC
Caracol
at Chichen Itza: 1000 AD
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