Earth Time and Motion
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Sunrise Project
6629 Views
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How the Sun Moves
6402 Views
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How the Sun Moves Across the Sky
6975 Views
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Our Planet is a Clock
5957 Views
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Intro to Solar Orientation
6296 Views
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Greenwich Globe
6461 Views
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Equation of Time - Clocks vs Sundials
6154 Views
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Earth at Night
6000 Views
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Analemma over El Cerrito
6485 Views