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A segment on the home-shopping network was recently selling some science that we aren’t buying.

QVC host Shawn Killinger and designer Isaac Mizrahi were debating whether the Moon is a planet or a star. Here is a snippet of that conversation:

Killinger: “Isn’t the moon a star?”

Mizrahi : “No, the Moon is a planet, darling.”

Killinger: “Don’t look at me like that! The sun is a star!”

Mizrahi: “I don’t know what the Sun is.”

The Moon, the Earth’s only natural satellite, is neither, by the way.

Maybe the next segment will be selling science textbooks.

(h/t The Verge)

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Write to Olivia B. Waxman at olivia.waxman@time.com.

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