Pluto was once considered to be the smallest planet in our galaxy. As more was discovered about the other planets, and about other objects in our galaxy, Pluto fell into debate, but many people still like to consider it a planet. How much do you really know about Pluto?

Why do scientists say Pluto was “discovered by mistake”?

Who discovered Pluto?

How big is Pluto compared to the United States?

Is Pluto’s orbit outside or inside the orbit of Neptune?

How many Pluto days are there in a Pluto year?

Does it snow on Pluto?

Find out in this book, and surprise and amaze your friends with these fun facts about Pluto.

The Educational Version has activities that meet Common Core Curriculum Standards.

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