Earth Time and Motion
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Sunrise Project
570 Views
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How the Sun Moves
577 Views
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How the Sun Moves Across the Sky
570 Views
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Our Planet is a Clock
541 Views
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Intro to Solar Orientation
544 Views
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Greenwich Globe
587 Views
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Equation of Time - Clocks vs Sundials
552 Views
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Earth at Night
615 Views
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Analemma over El Cerrito
546 Views