Earth Time and Motion
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Sunrise Project
7095 Views
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How the Sun Moves
6841 Views
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How the Sun Moves Across the Sky
7429 Views
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Our Planet is a Clock
6332 Views
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Intro to Solar Orientation
6671 Views
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Greenwich Globe
6858 Views
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Equation of Time - Clocks vs Sundials
6561 Views
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Earth at Night
6386 Views
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Analemma over El Cerrito
6908 Views