Earth Time and Motion
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Sunrise Project
6894 Views
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How the Sun Moves
6659 Views
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How the Sun Moves Across the Sky
7255 Views
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Our Planet is a Clock
6169 Views
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Intro to Solar Orientation
6522 Views
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Greenwich Globe
6685 Views
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Equation of Time - Clocks vs Sundials
6378 Views
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Earth at Night
6219 Views
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Analemma over El Cerrito
6728 Views