
Google Earth version 4 features a new user interface (UI) where data layers have been reorganized to make it easier to find layers and turn them on and off, more real estate for actual imagery and map by removing the navigation panel at the bottom of the screen and moving the nav panel tools to upper right and the tools (measure, print, email) tools bar to the top.

Google has released release 4 of Google Earth in beta phase, which adds support for Linux operating platform, on top of current supported platform of Windows 2000, Windows XP and Mac OS X, together with other features enhancements and improvements.

The Google Earth a virtual globe program that maps the entire earth by pasting images obtained from satellite imagery, aerial photography and GIS over a 3D globe.
