Earth Time and Motion
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Sunrise Project
7629 Views
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How the Sun Moves
7297 Views
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How the Sun Moves Across the Sky
7935 Views
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Our Planet is a Clock
6710 Views
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Intro to Solar Orientation
7175 Views
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Greenwich Globe
7283 Views
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Equation of Time - Clocks vs Sundials
6980 Views
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Earth at Night
6793 Views
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Analemma over El Cerrito
7376 Views