Earth Time and Motion
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Sunrise Project
4236 Views
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How the Sun Moves
4070 Views
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How the Sun Moves Across the Sky
4424 Views
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Our Planet is a Clock
3908 Views
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Intro to Solar Orientation
4054 Views
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Greenwich Globe
4306 Views
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Equation of Time - Clocks vs Sundials
3980 Views
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Earth at Night
3904 Views
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Analemma over El Cerrito
4235 Views