This is the Earth last Wednesday at 0.25º resolution (roughly 28 km per pixel at the equator): https://neo.gsfc.nasa.gov/servlet/RenderData?si=2050444&cs=r...

Earth is 12700 km in diameter, so such an image would be 688 pixels across.

Basically you won't be reading license plates but you'd see enough to identify evidence of very large scale construction, and with multiple images over time I bet you could draw even more conclusions.

That's phenomenal. This would bring us so much fascinating information.

Enough to see cities