In the bottom middle of the screen it tells you the surveyor. At least it used to I haven’t checked in a while.

Satellites have adequate resolution for imaging large areas with high coverage, but aside of stuff like spy satellites they don't usually image smaller areas in high resolution all that well. Most of the closer up images on places like Google Maps are aerial photos.

I'm in Finland and when Google Maps first launched we only got low resolution satellite images and some aerial photos of a few cities. The difference was pretty clear.