Earth Time and Motion
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Sunrise Project
5539 Views
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How the Sun Moves
5351 Views
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How the Sun Moves Across the Sky
5865 Views
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Our Planet is a Clock
5042 Views
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Intro to Solar Orientation
5291 Views
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Greenwich Globe
5481 Views
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Equation of Time - Clocks vs Sundials
5190 Views
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Earth at Night
5054 Views
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Analemma over El Cerrito
5434 Views