Earth Time and Motion
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Sunrise Project
6121 Views
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How the Sun Moves
5879 Views
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How the Sun Moves Across the Sky
6441 Views
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Our Planet is a Clock
5538 Views
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Intro to Solar Orientation
5822 Views
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Greenwich Globe
5992 Views
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Equation of Time - Clocks vs Sundials
5752 Views
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Earth at Night
5538 Views
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Analemma over El Cerrito
5972 Views