Mars’s Salty Sea 4 What Is Mars 6 How Did Mars Form 10 Where Is Mars Found 16 Why Do We Study Mars 18 Glossary 22 To Learn More 23 Index 24 Table of COntents
It is March 23 2004 NASA scientists look on in wonder as they study images from the Mars rover Opportunity The photos show the rocky coast of a once salty sea Opportunity shows that Mars once had more water than Earth’s Arctic Ocean If this Earth-like planet had gigantic bodies of water did it support life too 4 mArs’S SAlty SeA
