Long-distance Selfie 4 What Is Earth 6 How Did Earth Form 12 Where Is Earth Found 16 Why Do We Study Earth 18 Glossary 22 To Learn More 23 Index 24 Table of COntents
It is February 14 1990 After 13 years of traveling Voyager 1 is 3 7 billion miles 6 billion kilometers from Earth The spacecraft turns toward Earth to take one last photo before its cameras shut down The photo shows bands of color on a dark background In one band Earth is a pale blue dot This long-distance selfie is one of the most famous photos in the world 4 4 Long dIstAnce SelfIe
VOYAGER 1 LAUNCH FUN FACT A scientist named Carl Sagan had the idea to take the famous Voyager 1 photo He gave a popular speech in which he called Earth a pale blue dot People remember his words more than 20 years later 55 Voyager 1 pale blue dot photo World-Famous Words
