The original post: /r/askscience by /u/Sora1274 on 2025-03-08 01:10:29.

I know there is going to be a lot of variance of telescopes, but let’s say an 8 inch telescope. Would I be able to see something as thin as say the River Thames? What about the pyramid of Giza? What about a sea of Skyscrapers in Manhattan?