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1.i just wanted to know that from where google and bing got the complete earth images or satellite imaginary?
2.is it possible to get data like that for a individual person?
i found a question about google maps working at stackoverflow but it doesn't answer my question.
-Thanks in advance.
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The satellite and aerial images in Google Earth are taken by cameras on satellites and aircraft, which collect each image at a specific date and time.
Microsoft's mapping service Bing Maps has announced a change in its base map data source. The Bing Maps Platform, which is typically powered by multiple data providers, will now get its base map data from TomTom for all the regions across the world save China, Japan, and South Korea.
Description. The Bing Maps aerial imagery web mapping service offers worldwide orthographic aerial and satellite imagery.
Bing maps frequently update and expand the geographic areas covered by their imagery, with new updates being released on roughly a monthly basis. Each imagery release typically contains more than 10TB of imagery.
Google, Yahoo!, Microsoft, Michelin, Yandex and a lot others bought their data from various providers. They are usually named on the specific map and there isn't only one provider.
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If you want free to use map data you can take a look at http://www.openstreetmap.org/ .
If you want free satellite map data then it's more complicated. This looks promising: http://worldwind.arc.nasa.gov/java/ .
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The company GeoEye, in Mission KS has launched a satelite called GeoEye-1 which is used to produce the high qualitiy images which are used for the google maps.
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