Earth Time and Motion
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Sunrise Project
7316 Views
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How the Sun Moves
6981 Views
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How the Sun Moves Across the Sky
7555 Views
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Our Planet is a Clock
6431 Views
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Intro to Solar Orientation
6811 Views
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Greenwich Globe
6962 Views
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Equation of Time - Clocks vs Sundials
6677 Views
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Earth at Night
6486 Views
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Analemma over El Cerrito
7037 Views