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Dwarfing Pluto

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Dwarfing Pluto

Space

Dwarfing Pluto

Dwarfing Pluto

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  • <iframe src="https://www.npr.org/player/embed/5723794/5723795" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Our linguist Geoff Nunberg doesn’t profess to know much about astronomy. But when astronomers changed the definition of the word planet, they entered his territory — language.

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