If you are having trouble in remembering the newly assigned 11 planets, consider the handy way created by Maryn Smith, a fourth-grader.
Maryn Smith (age 10) , the winner of the National Geographic planetary mnemonic contest, has created a handy way to remember the plants with the phrase:
“My very exciting magic carpet just sailed under nine palace elephants.”
The 11 recognized planets are
Ceres, Pluto and Eris are considered dwarf planets.
Maryn Smith and the winning mnemonic will be featured in National Geographic book about the planets, 11 Planets: “A New View of the Solar System“.