Earth Time and Motion
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Sunrise Project
4885 Views
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How the Sun Moves
4726 Views
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How the Sun Moves Across the Sky
5141 Views
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Our Planet is a Clock
4490 Views
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Intro to Solar Orientation
4681 Views
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Greenwich Globe
4881 Views
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Equation of Time - Clocks vs Sundials
4569 Views
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Earth at Night
4483 Views
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Analemma over El Cerrito
4843 Views