05. How did the planets become so different in size, shape and texture? (A K2S Question)

From The Space Library

The theory of how the planets formed is very complicated and still not fully understood by scientists. However, we should expect the planets to be different from each other, as different as rocks of different sizes and shapes in a field.

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Answer provided by Ed Frederick, Ph.D.

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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