Can you remember all eleven planets? There's a new mnemonic: My Very Exciting Magic Carpet Just Sailed Under Nine Palace Elephants. Hrr-whaa? Eleven? Rather than demote Pluto, this mnemonic counts the generally-accepted minor planets, those solar system residents too small for full planethood but with enough gravity to be round: Ceres (in the asteroid belt), Pluto, and Eris (in the Kuiper belt). Bonus points: Lisa Loeb will compose the new mnemonic into a song.
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