16. Are they big, really big, and beautiful? What is the smallest planet? (A K2S Question)
From The Space Library
They are big like the Earth, or they are really big like Jupiter, Saturn, Uranus, and Neptune. Pluto is the smallest; smaller than our Moon.
Answer provided by Ed Frederick, Ph.D.
Question and Answer extracted from the book Kids to Space - by Lonnie Schorer
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