Earth Time and Motion
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Sunrise Project
4739 Views
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How the Sun Moves
4562 Views
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How the Sun Moves Across the Sky
4973 Views
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Our Planet is a Clock
4369 Views
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Intro to Solar Orientation
4546 Views
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Greenwich Globe
4755 Views
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Equation of Time - Clocks vs Sundials
4437 Views
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Earth at Night
4364 Views
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Analemma over El Cerrito
4715 Views