Demoting Pluto: The Discovery of Dwarf Planets

by Steve Kortenkamp

Book Overview

When is a planet not a planet? Dwarf planets orbit the sun, are solid bodies, and are not moons. But they are not considered regular planets. Learn more about these spherical oddities and why Pluto is still hotly debated today.

• Format: Paperback
• Language: English
• ISBN: 1491441763
• ISBN13: 9781491441763
• Release Date: October 2015
• Publisher: Capstone Press
• Length: 48 Pages
• Weight: 0.25 lbs.
• Dimensions: 0.1" x 5.9" x 8.9"
• Age Range: 8 to 14 years
• Grade Range: Grades 3 to 9