Planets

Planets book cover — Looking for Life 4 What Are Planets 6 How Do Planets Form 10 Where Are Planets Found 14 Why Do We Study Planets 18 Glossary 22 To Learn More 23 Index 24 Table of COntents

Planets — page 1 — It is April 17 2014 Astronomers have just announced the discovery of Kepler-186f This is the first Earth-sized planet found in another star’s habitable zone Scientists conduct many studies of this exoplanet What is the planet made of How hot is it The answers to these questions may one day help scientists find life on other worlds 4 Looking for Life

Planets — page 2 — KEPLER-186f 5

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