How does Google Earth work?
user
We collect imagery of the Earth’s surface from various satellite images and airplanes, and then combine it into an interactive 3D model.
assistant
So you can see stuff from all over the world?
user
Yes, we can view images from the ground up to the outer atmosphere.  In fact, we even have pictures from space, if you’d like to check them out.
assistant
How does Google Earth work?
user
We collect imagery of the Earth’s surface from various satellite images and airplanes, and then combine it into an interactive 3D model.
assistant
So you can see stuff from all over the world?
user
Well, the data has to be flown in from all over the world, then it is collected and geolocated, and finally we can plot it as a real-time 3D model.
assistant
How does Google Earth work?