Earth Time and Motion
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Sunrise Project
7660 Views
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How the Sun Moves
7322 Views
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How the Sun Moves Across the Sky
7975 Views
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Our Planet is a Clock
6742 Views
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Intro to Solar Orientation
7208 Views
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Greenwich Globe
7316 Views
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Equation of Time - Clocks vs Sundials
7014 Views
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Earth at Night
6827 Views
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Analemma over El Cerrito
7406 Views