Earth Time and Motion
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Sunrise Project
5393 Views
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How the Sun Moves
5219 Views
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How the Sun Moves Across the Sky
5715 Views
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Our Planet is a Clock
4922 Views
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Intro to Solar Orientation
5147 Views
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Greenwich Globe
5349 Views
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Equation of Time - Clocks vs Sundials
5041 Views
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Earth at Night
4922 Views
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Analemma over El Cerrito
5306 Views