Earth Time and Motion
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Sunrise Project
6658 Views
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How the Sun Moves
6436 Views
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How the Sun Moves Across the Sky
7011 Views
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Our Planet is a Clock
5984 Views
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Intro to Solar Orientation
6314 Views
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Greenwich Globe
6492 Views
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Equation of Time - Clocks vs Sundials
6182 Views
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Earth at Night
6026 Views
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Analemma over El Cerrito
6522 Views