Earth Time and Motion
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Sunrise Project
5493 Views
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How the Sun Moves
5308 Views
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How the Sun Moves Across the Sky
5812 Views
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Our Planet is a Clock
4999 Views
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Intro to Solar Orientation
5248 Views
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Greenwich Globe
5439 Views
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Equation of Time - Clocks vs Sundials
5149 Views
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Earth at Night
5007 Views
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Analemma over El Cerrito
5391 Views