Earth Time and Motion
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Sunrise Project
7500 Views
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How the Sun Moves
7161 Views
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How the Sun Moves Across the Sky
7760 Views
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Our Planet is a Clock
6595 Views
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Intro to Solar Orientation
7003 Views
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Greenwich Globe
7139 Views
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Equation of Time - Clocks vs Sundials
6855 Views
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Earth at Night
6663 Views
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Analemma over El Cerrito
7236 Views