Earth Time and Motion
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Sunrise Project
3885 Views
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How the Sun Moves
3730 Views
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How the Sun Moves Across the Sky
4027 Views
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Our Planet is a Clock
3562 Views
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Intro to Solar Orientation
3710 Views
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Greenwich Globe
3986 Views
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Equation of Time - Clocks vs Sundials
3668 Views
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Earth at Night
3595 Views
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Analemma over El Cerrito
3904 Views