Earth Time and Motion
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Sunrise Project
7616 Views
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How the Sun Moves
7282 Views
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How the Sun Moves Across the Sky
7927 Views
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Our Planet is a Clock
6692 Views
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Intro to Solar Orientation
7153 Views
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Greenwich Globe
7270 Views
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Equation of Time - Clocks vs Sundials
6968 Views
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Earth at Night
6780 Views
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Analemma over El Cerrito
7360 Views