Earth Time and Motion
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Sunrise Project
7538 Views
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How the Sun Moves
7206 Views
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How the Sun Moves Across the Sky
7811 Views
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Our Planet is a Clock
6629 Views
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Intro to Solar Orientation
7049 Views
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Greenwich Globe
7185 Views
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Equation of Time - Clocks vs Sundials
6897 Views
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Earth at Night
6697 Views
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Analemma over El Cerrito
7274 Views