Earth Time and Motion
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Sunrise Project
5054 Views
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How the Sun Moves
4882 Views
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How the Sun Moves Across the Sky
5320 Views
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Our Planet is a Clock
4620 Views
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Intro to Solar Orientation
4829 Views
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Greenwich Globe
5004 Views
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Equation of Time - Clocks vs Sundials
4726 Views
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Earth at Night
4622 Views
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Analemma over El Cerrito
4982 Views