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Google Earth is a virtual globe program called Earth Viewer and was created by Keyhole, Inc. .. This program maps the earth from the superimposition of images collected from satellite mapping, aerial photography and GIS 3D globe. Available in three different licenses: Google Earth, a free version with limited functionality; Google Earth Plus ($ 20), which has extra features; and Google Earth Pro ($ 400 per year), which is used for commercial usage.

Originally known as Earth Viewer, Google Earth was developed by Keyhole, Inc.., A company acquired by Google in 2004. This product, later renamed Google Earth in 2005, and is now available for personal computers running Microsoft Windows 2000, XP, or Vista, Mac OS X 10.3.9 and above, Linux (released on June 12, 2006) and FreeBSD. In addition to the launch of an updated Keyhole based client, Google also added the mapping from the database into a web-based mapping software. Launch Google Earth causes a further increase in media coverage on virtual globes between 2005 and 2006, [3] the public's attention on geospatial technologies and applications.

Globa this virtual show home, car colors, and even the shadows of people and street signs. The available resolution depends on the destination, but most land (except for some islands) is covered in 15-meter resolution. Las Vegas, Nevada and Cambridge, Massachusetts has the highest resolution, at a height of 15 centimeters (6 inches). Google Earth memolehkan users search for addresses (for some countries), enter coordinates, or use the mouse to find a location.

Google Earth also has a digital elevation model data (DEM) collected by the Shuttle Radar Topography Mission of NASA. This means one can see the Grand Canyon or Mount Everest in three dimensions, instead of 2D sites / programs other maps. Since November 2006, 3D scenery in the mountains, including Mount Everest, has been used with the use of DEM data to meet the gate in the SRTM coverage.

Many people who use this application to add their own data and making them available through different sources, such as the BBS or blogs. Google Earth is able to show all the picture's surface. and also a Web Map Service client. Google Earth supports managing three-dimensional Geospatial data through Keyhole Markup Language (KML).

Google Earth has the ability to show buildings and structures (like bridges) 3D, which consist of users are using SketchUp, a 3D modeling program. Older version of Google Earth (before Version 4), 3D buildings limited to a few cities, and had poorer rendering with no textures. Many buildings and structures around the world have a detailed 3D; including (but not limited to) those in the United States, Great Britain, Ireland, India, Japan, Germany, Canada, Pakistan and the cities of Amsterdam and Alexandria. In August 2007, Hamburg became the first city entirely shown in 3D, including textures such as the facade. Three-dimensional appearance that is available to some buildings and structures around the world via Google's 3D Warehouse and other websites.

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