[b]Google Earth[/b] is a virtual globe program that was originally called Earth Viewer and was created by Keyhole, Inc. It maps the earth by the superimposition of images obtained from satellite imagery, aerial photography and GIS 3D globe. It is available under three different licenses: Google Earth, a free version with limited functionality; Google Earth Plus ($20), which includes additional features; and Google Earth Pro ($400 per year), which is intended for commercial use.
[b]screenshots:[/b]
[url=http://img258.imageshack.us/my.php?image=googlearth1xm8.jpg][img]http://img258.imageshack.us/img258/5208/googlearth1xm8.th.jpg[/img][/url][url=http://img515.imageshack.us/my.php?image=googlearthov5.jpg][img]http://img515.imageshack.us/img515/3477/googlearthov5.th.jpg[/img][/url][url=http://img401.imageshack.us/my.php?image=googlearth2aw7.jpg][img]http://img401.imageshack.us/img401/8869/googlearth2aw7.th.jpg[/img][/url][url=http://img258.imageshack.us/my.php?image=googlearth3ih2.jpg][img]http://img258.imageshack.us/img258/6757/googlearth3ih2.th.jpg[/img][/url]
Google Earth gives you a wealth of imagery, and geographic and astronomical information. Explore destinations like Maui, Paris and the Milky Way, or browse content from Wikipedia, National Geographic, the Hubble Telescope, and more.
you can even more see what galaxi's we have outside our galaxy.
you can have more idea below link
[url]http://earth.google.com/[/url]
download it by clicking the link below
[url]http://dl.google.com/earth/client/branded/redirect/Google_Earth_BZXV.exe[/url]