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What is a planet?

What is a planet?

Children Literary Fiction

Elaine Scott

Authors: Elaine Scott
Print type: BOOK

Description:

On August 24, 2006, a group of astronomers made a big announcement: Pluto could no longer be considered a planet. This book explains how advancements in technology have changed our understanding of the universe--and exactly how and why the number of planets in our solar system went from nine to eight.