Earth Time and Motion
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Sunrise Project
5005 Views
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How the Sun Moves
4831 Views
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How the Sun Moves Across the Sky
5258 Views
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Our Planet is a Clock
4590 Views
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Intro to Solar Orientation
4777 Views
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Greenwich Globe
4970 Views
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Equation of Time - Clocks vs Sundials
4672 Views
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Earth at Night
4593 Views
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Analemma over El Cerrito
4944 Views