Earth Time and Motion
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Sunrise Project
5075 Views
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How the Sun Moves
4899 Views
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How the Sun Moves Across the Sky
5340 Views
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Our Planet is a Clock
4635 Views
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Intro to Solar Orientation
4845 Views
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Greenwich Globe
5030 Views
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Equation of Time - Clocks vs Sundials
4745 Views
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Earth at Night
4639 Views
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Analemma over El Cerrito
4996 Views