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toc == =What is Google Earth?= **Google Earth** is a virtual globe, map and geographic information application. It maps the Earth by the superimposition of images obtained from satellite imagery and arial photography. and GIS 3D Globe.

Users are able to see things like cities and houses looking perpendicularly down or at an oblique angle, **with perspective**. Google Earth allows you to search for addresses in some countries, enter GPS coordinates, or simply use the mouse to browse to a location.

For large parts of the surface of the Earth only **2D images** are available, from almost vertical photography. Viewing this from an oblique angle, there is perspective in the sense that objects which are horizontally far away are seen smaller, but of course it is like viewing a large photograph, not quite like a **3D view**. For other parts of the surface of the Earth 3D images of terrain and buildings are available. This means one can view the Grand Canyon or Mt. Everest in three diminsions instead of 2D like other areas.

For more background info check out the 7 Things You Should Know About Google Earth.

=Layers= Users are able to turn information layers on and off. The following list of layers are available.
 * Borders and Labels
 * Places of Interest
 * Panoramio photos
 * Roads
 * 3D Buildings
 * Ocean
 * Street View
 * Weather
 * Informational Galleries
 * Global Awareness
 * And much more!

=Features= Google Earth is constantly being updated with new features. The following list is just an overview:
 * Informational Mash-ups
 * Sky Mode
 * Street view
 * Custom Tours
 * Historical Imagery
 * Place, Path and Shape overlays

=Google Earth V.5 (Video) media type="youtube" key="GSuJq4UzkIA" height="405" width="660"=