Earth Time and Motion
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Sunrise Project
4735 Views
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How the Sun Moves
4556 Views
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How the Sun Moves Across the Sky
4970 Views
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Our Planet is a Clock
4364 Views
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Intro to Solar Orientation
4539 Views
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Greenwich Globe
4754 Views
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Equation of Time - Clocks vs Sundials
4434 Views
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Earth at Night
4354 Views
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Analemma over El Cerrito
4710 Views