Earth Time and Motion
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Sunrise Project
3884 Views
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How the Sun Moves
3728 Views
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How the Sun Moves Across the Sky
4021 Views
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Our Planet is a Clock
3558 Views
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Intro to Solar Orientation
3708 Views
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Greenwich Globe
3983 Views
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Equation of Time - Clocks vs Sundials
3665 Views
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Earth at Night
3590 Views
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Analemma over El Cerrito
3903 Views