Earth Time and Motion
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Sunrise Project
4226 Views
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How the Sun Moves
4055 Views
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How the Sun Moves Across the Sky
4413 Views
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Our Planet is a Clock
3897 Views
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Intro to Solar Orientation
4042 Views
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Greenwich Globe
4293 Views
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Equation of Time - Clocks vs Sundials
3971 Views
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Earth at Night
3895 Views
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Analemma over El Cerrito
4228 Views