Earth Time and Motion
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Sunrise Project
4748 Views
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How the Sun Moves
4573 Views
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How the Sun Moves Across the Sky
4981 Views
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Our Planet is a Clock
4377 Views
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Intro to Solar Orientation
4558 Views
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Greenwich Globe
4766 Views
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Equation of Time - Clocks vs Sundials
4445 Views
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Earth at Night
4374 Views
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Analemma over El Cerrito
4733 Views