Earth Time and Motion
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Sunrise Project
5293 Views
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How the Sun Moves
5123 Views
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How the Sun Moves Across the Sky
5611 Views
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Our Planet is a Clock
4833 Views
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Intro to Solar Orientation
5056 Views
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Greenwich Globe
5255 Views
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Equation of Time - Clocks vs Sundials
4957 Views
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Earth at Night
4844 Views
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Analemma over El Cerrito
5204 Views