Earth Time and Motion
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Sunrise Project
4386 Views
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How the Sun Moves
4233 Views
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How the Sun Moves Across the Sky
4633 Views
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Our Planet is a Clock
4066 Views
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Intro to Solar Orientation
4215 Views
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Greenwich Globe
4441 Views
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Equation of Time - Clocks vs Sundials
4115 Views
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Earth at Night
4051 Views
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Analemma over El Cerrito
4396 Views