Earth Time and Motion
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Sunrise Project
7103 Views
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How the Sun Moves
6851 Views
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How the Sun Moves Across the Sky
7438 Views
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Our Planet is a Clock
6340 Views
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Intro to Solar Orientation
6684 Views
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Greenwich Globe
6865 Views
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Equation of Time - Clocks vs Sundials
6568 Views
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Earth at Night
6399 Views
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Analemma over El Cerrito
6919 Views