Earth Time and Motion
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Sunrise Project
7215 Views
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How the Sun Moves
6864 Views
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How the Sun Moves Across the Sky
7455 Views
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Our Planet is a Clock
6351 Views
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Intro to Solar Orientation
6693 Views
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Greenwich Globe
6877 Views
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Equation of Time - Clocks vs Sundials
6585 Views
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Earth at Night
6422 Views
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Analemma over El Cerrito
6938 Views