The Utility of Geometry in Ancient Chinese Cosmology

The Greeks famously got a bunch of stuff wrong, right? Part of the story we're telling today is how everybody got everything wrong for so long. So you tell this story in your book about why the Greeks settled on a cosmos with the Earth is at the center rather than the sun at the center. And it's all about parallax. It's just that they're so far away. We don't find this out till I forget who's the first person who deserves that. Would that be like 18th century? It's in the book somewhere. You know, there are some evidence and writing or people like trying to put this together and be like, hmm, just doesn