Earth Time and Motion
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Sunrise Project
5981 Views
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How the Sun Moves
5744 Views
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How the Sun Moves Across the Sky
6306 Views
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Our Planet is a Clock
5411 Views
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Intro to Solar Orientation
5681 Views
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Greenwich Globe
5859 Views
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Equation of Time - Clocks vs Sundials
5610 Views
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Earth at Night
5409 Views
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Analemma over El Cerrito
5838 Views