Earth Time and Motion
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Sunrise Project
7350 Views
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How the Sun Moves
7007 Views
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How the Sun Moves Across the Sky
7576 Views
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Our Planet is a Clock
6449 Views
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Intro to Solar Orientation
6833 Views
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Greenwich Globe
6990 Views
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Equation of Time - Clocks vs Sundials
6703 Views
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Earth at Night
6518 Views
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Analemma over El Cerrito
7060 Views