第1个回答 2006-03-16
Google Earth is a free virtual globe formerly known as Earth Viewer. It was developed by Keyhole, Inc., which was acquired by Google in 2004. The product was renamed Google Earth in 2005 and is currently available for use on personal computers running Mac OS X 10.3.9 and above, and Microsoft Windows 2000 or XP. (A Linux version was announced for 2006.)