Earth Time and Motion
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Sunrise Project
6484 Views
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How the Sun Moves
6248 Views
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How the Sun Moves Across the Sky
6838 Views
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Our Planet is a Clock
5839 Views
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Intro to Solar Orientation
6151 Views
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Greenwich Globe
6344 Views
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Equation of Time - Clocks vs Sundials
6037 Views
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Earth at Night
5877 Views
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Analemma over El Cerrito
6358 Views