Metadata
Author: WikiMatrix
Data
English[en]
He excavated the obelisk from which it had been split, still standing, but embedded in the earth, and found that it stood on a pedestal.
Korean[ko]
그는 홍대용과 함께 지구설(地球說)·지전설(地轉說)을 주장해 주자성리학에서의 지방지정설(地方地靜說)에 반대했다.