Earth Time and Motion
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Sunrise Project
7664 Views
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How the Sun Moves
7325 Views
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How the Sun Moves Across the Sky
7981 Views
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Our Planet is a Clock
6746 Views
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Intro to Solar Orientation
7213 Views
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Greenwich Globe
7321 Views
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Equation of Time - Clocks vs Sundials
7018 Views
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Earth at Night
6834 Views
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Analemma over El Cerrito
7412 Views