Earth Time and Motion
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Sunrise Project
7914 Views
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How the Sun Moves
7583 Views
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How the Sun Moves Across the Sky
8313 Views
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Our Planet is a Clock
6994 Views
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Intro to Solar Orientation
7484 Views
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Greenwich Globe
7569 Views
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Equation of Time - Clocks vs Sundials
7284 Views
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Earth at Night
7097 Views
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Analemma over El Cerrito
7661 Views