Earth Time and Motion
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Sunrise Project
7433 Views
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How the Sun Moves
7087 Views
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How the Sun Moves Across the Sky
7692 Views
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Our Planet is a Clock
6523 Views
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Intro to Solar Orientation
6916 Views
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Greenwich Globe
7070 Views
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Equation of Time - Clocks vs Sundials
6779 Views
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Earth at Night
6598 Views
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Analemma over El Cerrito
7148 Views