Earth Time and Motion
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Sunrise Project
4896 Views
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How the Sun Moves
4736 Views
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How the Sun Moves Across the Sky
5148 Views
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Our Planet is a Clock
4493 Views
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Intro to Solar Orientation
4691 Views
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Greenwich Globe
4889 Views
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Equation of Time - Clocks vs Sundials
4574 Views
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Earth at Night
4495 Views
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Analemma over El Cerrito
4853 Views