Earth Time and Motion
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Sunrise Project
5255 Views
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How the Sun Moves
5082 Views
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How the Sun Moves Across the Sky
5546 Views
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Our Planet is a Clock
4791 Views
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Intro to Solar Orientation
5009 Views
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Greenwich Globe
5198 Views
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Equation of Time - Clocks vs Sundials
4916 Views
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Earth at Night
4805 Views
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Analemma over El Cerrito
5155 Views