Earth Time and Motion
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Sunrise Project
7920 Views
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How the Sun Moves
7590 Views
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How the Sun Moves Across the Sky
8324 Views
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Our Planet is a Clock
6996 Views
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Intro to Solar Orientation
7489 Views
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Greenwich Globe
7572 Views
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Equation of Time - Clocks vs Sundials
7286 Views
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Earth at Night
7104 Views
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Analemma over El Cerrito
7665 Views