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Our planets! Get to know all about Pluto's size, landscape, and more! What are the different phases of the moon? Where did Saturn get its rings? Is the earth really spinning? Learn the answers to these questions, and more! Stories by Ken Croswell, Ph.D. and Highlights for Children.

Durata: 18 minuti (00:18:18)
Data di pubblicazione: 27/07/2018; Unabridged; Copyright Year: — Copyright Statment: —

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