Earth Time and Motion
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Sunrise Project
5291 Views
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How the Sun Moves
5120 Views
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How the Sun Moves Across the Sky
5610 Views
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Our Planet is a Clock
4832 Views
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Intro to Solar Orientation
5052 Views
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Greenwich Globe
5252 Views
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Equation of Time - Clocks vs Sundials
4956 Views
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Earth at Night
4842 Views
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Analemma over El Cerrito
5200 Views