An Icy Discovery 4 What Is Mercury 6 How Did Mercury Form 10 Where Is Mercury Found 14 Why Do We Study Mercury 18 Glossary 22 To Learn More 23 Index 24 Table of COntents
It is October 2014 The Messenger spacecraft returns the first photos of Mercury’s north pole to NASA It is the only spacecraft to ever reach this area safely Messenger’s photos show huge ice chunks in Mercury’s northern craters How did the ice form on this tiny burning planet Much of Mercury is still a mystery 4 An Icy DIscovery
