Earth Time and Motion
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Sunrise Project
7771 Views
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How the Sun Moves
7421 Views
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How the Sun Moves Across the Sky
8110 Views
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Our Planet is a Clock
6840 Views
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Intro to Solar Orientation
7313 Views
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Greenwich Globe
7410 Views
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Equation of Time - Clocks vs Sundials
7128 Views
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Earth at Night
6941 Views
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Analemma over El Cerrito
7512 Views