Earth Time and Motion
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Sunrise Project
7390 Views
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How the Sun Moves
7052 Views
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How the Sun Moves Across the Sky
7652 Views
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Our Planet is a Clock
6488 Views
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Intro to Solar Orientation
6884 Views
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Greenwich Globe
7039 Views
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Equation of Time - Clocks vs Sundials
6742 Views
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Earth at Night
6555 Views
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Analemma over El Cerrito
7118 Views