Earth Time and Motion
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Sunrise Project
4940 Views
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How the Sun Moves
4763 Views
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How the Sun Moves Across the Sky
5181 Views
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Our Planet is a Clock
4523 Views
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Intro to Solar Orientation
4715 Views
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Greenwich Globe
4920 Views
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Equation of Time - Clocks vs Sundials
4614 Views
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Earth at Night
4526 Views
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Analemma over El Cerrito
4890 Views