Earth Time and Motion
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Sunrise Project
6697 Views
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How the Sun Moves
6467 Views
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How the Sun Moves Across the Sky
7038 Views
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Our Planet is a Clock
6010 Views
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Intro to Solar Orientation
6342 Views
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Greenwich Globe
6516 Views
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Equation of Time - Clocks vs Sundials
6215 Views
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Earth at Night
6056 Views
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Analemma over El Cerrito
6545 Views