Earth Time and Motion
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Sunrise Project
6746 Views
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How the Sun Moves
6515 Views
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How the Sun Moves Across the Sky
7089 Views
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Our Planet is a Clock
6047 Views
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Intro to Solar Orientation
6384 Views
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Greenwich Globe
6557 Views
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Equation of Time - Clocks vs Sundials
6254 Views
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Earth at Night
6105 Views
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Analemma over El Cerrito
6595 Views