Earth Time and Motion
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Sunrise Project
4038 Views
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How the Sun Moves
3872 Views
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How the Sun Moves Across the Sky
4204 Views
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Our Planet is a Clock
3725 Views
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Intro to Solar Orientation
3866 Views
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Greenwich Globe
4127 Views
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Equation of Time - Clocks vs Sundials
3815 Views
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Earth at Night
3732 Views
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Analemma over El Cerrito
4042 Views