Earth Time and Motion
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Sunrise Project
7026 Views
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How the Sun Moves
6784 Views
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How the Sun Moves Across the Sky
7373 Views
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Our Planet is a Clock
6266 Views
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Intro to Solar Orientation
6621 Views
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Greenwich Globe
6805 Views
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Equation of Time - Clocks vs Sundials
6503 Views
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Earth at Night
6320 Views
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Analemma over El Cerrito
6854 Views