Earth Time and Motion
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Sunrise Project
4132 Views
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How the Sun Moves
3970 Views
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How the Sun Moves Across the Sky
4333 Views
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Our Planet is a Clock
3832 Views
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Intro to Solar Orientation
3972 Views
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Greenwich Globe
4225 Views
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Equation of Time - Clocks vs Sundials
3914 Views
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Earth at Night
3830 Views
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Analemma over El Cerrito
4170 Views