What Would Happen If the Earth Was Hollow and How Do We Know It’s Not?
7 min readJan 20, 2024
There was a fun question on reddit (but it was removed). The question asked about the physics of a hollow Earth. I mean, the question wasn’t completely clear and left off some important details — but I’m going to answer it anyway. In fact, I’m going to make up some different versions of this question and answer them.
