Complex sentence: Thus, in pre-revoloutionary France, the inch was divided into 12 lines and each line was divided into 12 points and in more recent times the light-year was introduced by astronomers to describe large distances.
Split into simpler sentences: Thus, in pre-revoloutionary France, the inch was divided into 12 lines and each line was divided into 12 points. In more recent times the light-year was introduced by astronomers to describe large distances.