Earth Time and Motion
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Sunrise Project
4874 Views
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How the Sun Moves
4711 Views
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How the Sun Moves Across the Sky
5127 Views
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Our Planet is a Clock
4479 Views
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Intro to Solar Orientation
4671 Views
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Greenwich Globe
4866 Views
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Equation of Time - Clocks vs Sundials
4560 Views
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Earth at Night
4472 Views
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Analemma over El Cerrito
4833 Views