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2 but this introduce distortions so use carefully, and don't use it at all in mountainous areas).

Also check that the unit of Measurement is Meters, Kilometers and that Elevation exageration is set to 1 (if you are working in a low relief area like southern England you may want to experiment with setting a higher value, e.g. For the most part the default options are what you want butĬhange " Show Lat/Long" to Decimal degrees - they are far more convenient than using minutes and seconds. There is a preferences setting box, accessed from the menus. It has functionality which is missing from the other versions and as a geologist you should use the full application. It is free and it runs on PCs, Macs and Linux computers. You want to download the full desktop application - Google Earth Pro. For information on using this system to develop resources see: Create a map or story in Google Earth Web This interface is also availabe via a web browser at earth.google. It works really well and is a great way to rapidly get a good 3D view, but you can't control it as precisely and the options for adding your own content are much more limited. Google Earth on mobile - this is a simplified version of Google Earth Pro, with a cleaner interface. It has many features that are missing in Google Maps including the ability to add your own content, and it allows much greater control of what you see - although it is a bit harder to use. Google Earth Pro - this is a separate desktop app and essentially is a special browser for google imagery. It has awesome search but you can't add your own content and the view is often cluttered. Google Maps - you are almost certainly used to this system, on both web browsers and phone apps. The same basic system is made available in three different ways. The google earth system integrates satellite imagery, maps of the world, street view imagery, a digital elevation model and 3D viewing system.