Original sentence: Through a rigorous geometrical study of the proportions and mathematical relationships expressed in the site, Michell created diagrams that illustrated correlations between the design of Stonehenge and astronomical proportions and relationships, becoming thereby a key figure in the contemporary science of archaeoastronomy
Edited sentence: Through a rigorous geometrical study of the proportions and mathematical relationships expressed in the site, Michell created diagrams that illustrated correlations between the design of Stonehenge and astronomical proportions and relationships, becoming thereby a key figure in the contemporary science of archaeoastronomy,