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bone carvings keep track of phases of the moon
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building of stonehenge
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Lunar eclipse observed at UR in Mesopotamia
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Temple of Amen-Ra at Karnak
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Chinese begin centuries long series of obs of exlipses
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Babylonians predicted lunar eclipses
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Hesiod describes practical uses for astronomu
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Thales said to have predicted solar eclipse
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Anaximander describes model of Earth, Sun, Moon, Stars
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Anaximens proposes model of cosmos
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Pythagoras and students developed model of solar sustem
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Mesopotamian ziggurats serve as observatories