Earth Time and Motion
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Sunrise Project
4235 Views
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How the Sun Moves
4068 Views
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How the Sun Moves Across the Sky
4423 Views
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Our Planet is a Clock
3906 Views
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Intro to Solar Orientation
4053 Views
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Greenwich Globe
4304 Views
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Equation of Time - Clocks vs Sundials
3980 Views
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Earth at Night
3903 Views
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Analemma over El Cerrito
4234 Views