Earth Time and Motion
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Sunrise Project
6228 Views
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How the Sun Moves
5988 Views
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How the Sun Moves Across the Sky
6550 Views
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Our Planet is a Clock
5634 Views
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Intro to Solar Orientation
5921 Views
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Greenwich Globe
6099 Views
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Equation of Time - Clocks vs Sundials
5836 Views
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Earth at Night
5636 Views
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Analemma over El Cerrito
6095 Views