In addition to the general common GOOGLE street map ,
google earth tutorial can see satellite maps.
three D rendering , slope terrain , and Mars.
google earth planet can first select a country like
the United States , Japan , South Korea and other country,
Watch the city distributed , like use UAV move around them ,
Some islands, historic buildings, terrain really amazing.
NASA provided Hubble to see The surface of Mars ,
also through google earth aerial view galaxy photos,
To explore the mysteries of the universe.