Earth Time and Motion
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Sunrise Project
6923 Views
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How the Sun Moves
6678 Views
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How the Sun Moves Across the Sky
7276 Views
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Our Planet is a Clock
6183 Views
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Intro to Solar Orientation
6540 Views
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Greenwich Globe
6705 Views
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Equation of Time - Clocks vs Sundials
6410 Views
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Earth at Night
6235 Views
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Analemma over El Cerrito
6753 Views