"Satellite" view of online maps is a misnomer. The photos are taken by aeroplane, which is why unpopulated areas like the oceans have very little data. That's n

"Satellite" view of online maps is a misnomer. The photos are taken by aeroplane, which is why unpopulated areas like the oceans have very little data. That's not to say that satellite imagery is not used, just not for close-up stuff.