Earth Time and Motion
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Sunrise Project
6723 Views
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How the Sun Moves
6501 Views
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How the Sun Moves Across the Sky
7076 Views
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Our Planet is a Clock
6041 Views
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Intro to Solar Orientation
6373 Views
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Greenwich Globe
6547 Views
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Equation of Time - Clocks vs Sundials
6240 Views
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Earth at Night
6084 Views
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Analemma over El Cerrito
6581 Views