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Make a Fan with Earth's Layers
Cool yourself with Earth’s hot interior
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The active, changing layer
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The heat that won’t keep you warm
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The middle layer
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The layer made of layers
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The outermost layer
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Learn more about tremors on Earth—and other planets too!
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A jacket for the planet
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Mars had water long ago. But did it also have other conditions needed for life?
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The Mars Rovers: Spirit and Opportunity
What did these twin rovers teach us about the history of water on Mars?
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The layer we call home
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And what causes them to form?
layers
