Actualización: Estos de Google son unos cachondos. Mirad lo que dicen en el FAQ de Google Moon:
Why can't I see the surface in more detail?
Google Moon only has as much data as NASA was able to give us, so there are limitations (for now) on how close to the surface we can zoom.
What happens if I try to zoom too close?
Well, you'll have to go and find out, won't you?