HOW TO TEACH GROWN UPS PLUTO ABOUT By DEAN REGAS Illustrated by AARON BLECHA BRITANNICA BOOKS
Contents Welcome to Space Earth’s a Planet That’s Revolutionary Geocentric vs Heliocentric Where Is Uranus Planets Found and Kicked Out Finding a Planet Without Even Looking Search for Planet X Pluto Found in Pictures How Planet X Got Its Name Pluto the Shrinking Planet Pluto the Eccentric Planet Pluto’s Long-lost Brothers and Sisters Pluto’s Siblings Not Planets Pluto Not a Planet in New York So What Is a Planet What Astronomers Meant to Say Space Object Classification Guide What Is Pluto Then 1 7 13 15 16 18 20 23 25 27 30 32 35 41 47 52 54 55
Fast Facts About Pluto Postcard From Pluto What to Do If Your Grown-ups Fight Back Moons in the Solar System Nature of Science Number of Planets Throughout History Introducing Sedna Fast Facts About Sedna Planet Nine The New and Improved Solar System Time Line of Discovery What Type of Solar System Object Are You Test Your Grown-ups Sources Index Glossary Meet the Author 57 58 63 74 76 78 80 81 84 87 90 92 94 96 98 100 104
