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What is a dwarf planet?

  • Written by Vahe Peroomian, Professor of Physics and Astronomy, USC Dornsife College of Letters, Arts and Sciences
imagePluto, the largest of the dwarf planets. This image was taken by NASA's New Horizons spacecraft.NASA/JHUAPL/SwRIimage

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

What is a dwarf planet? – Myranda, age 8, Knoxville, Tennessee

The word...

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