Earth Time and Motion
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Sunrise Project
7933 Views
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How the Sun Moves
7606 Views
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How the Sun Moves Across the Sky
8339 Views
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Our Planet is a Clock
7013 Views
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Intro to Solar Orientation
7502 Views
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Greenwich Globe
7587 Views
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Equation of Time - Clocks vs Sundials
7297 Views
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Earth at Night
7112 Views
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Analemma over El Cerrito
7676 Views