Introduction
It is a program which tells the geographical position, map and virtual globe. It was also called as “Earth Viewer 3D”. It takes the images from satellite imagery, aerial photography and GIS 3D and then maps the earth. There are two licenses; first one was Google Earth, which provides limited functions in free version; Google Earth Plus, which has additional features and Google Earth Pro, which is used for commercial use. In 2005 it was re-released with the name of Google Earth. You can use it on personal computers, which run Windows 2000, and above versions, MAC OS X 10.3.9 and above versions, Linux kernel 2.6 or above than that. You can also access Google Earth view by using browser plug-in. It was released in 2008. Mobile viewers having iPhone OS can also use this service.
History
This service was provided on October 28, 2008 and it is free of use. You can download this from App-Store free of cost. It is also available for Android phone user which is free of cost service. Google Earth was released for public in June 2005. Digital Elevation Model is being used by Google Earth which collects data by NASA’s Shuttle Radar Topography Mission. Whole earth can be viewed in 3D. Supplementary DEM data is being used to clear the 3D images of mountains and Mount Everest since November 2006.
Features
Google earth view is used to show the images of all kind; which are overlaid on the Earth. Google Earth view can manage 3D data by using Keyhole markup language. You can have the 3D images of all kind of buildings and structures. You can have the structures of Canada, United States, Australia, Ireland, Japan, India, United Kingdom, Pakistan, Germany and Amsterdam. Hamburg was the first city which was given in 3D map in August 2007. There are certain cities which are available in 3D either partially or fully. There is a library which is made by people called Earth Gallery. There are some models of earth quakes in it. There is a feature provided by Google in which you can have the traffic speeds; which are located at 200 yards. There is a program known as Google Street View in which you can have the view of streets in many locations.
Tips and comments
There are many uses of Google Earth view: If Google provides up-to-date images then you may have the images of areas which are being subjected to widespread disasters. When there was an earthquake of Haiti then the images were uploaded within 5 days. Teachers use Google Earth in the classrooms for teaching the students about the map of Earth. If they want to teach the geographical themes like location, culture, characteristics, movement and human interactions then they use Google Earth. You can place the location bookmarks easily on the Mars or Moon. You can have the direction of any place using Google Earth; if you know the street name or city name etc. You can also see the locations of different places like gas stations, museums, restaurants or other places.
