Earth Time and Motion
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Sunrise Project
7441 Views
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How the Sun Moves
7094 Views
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How the Sun Moves Across the Sky
7702 Views
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Our Planet is a Clock
6534 Views
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Intro to Solar Orientation
6925 Views
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Greenwich Globe
7074 Views
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Equation of Time - Clocks vs Sundials
6786 Views
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Earth at Night
6606 Views
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Analemma over El Cerrito
7163 Views