Installing software in Linux can be tricky sometimes for the beginners. In this instructable, you can install Google Earth with only one command.
Step 1: Installation
Just go to terminal, paste this command and press enter and it will download and install it for you:
wget http://dl.google.com/earth/client/current/GoogleEarthLinux.bin && chmod +x GoogleEarthLinux.bin && ./GoogleEarthLinux.bin
It can't get any easier.