The digital collection allows readers to examine the sources of the controversy through various modes of navigation. The Explore function opens multimedia resources divided into three subsections: Texts, Iconography, and Debate, each organized in a hierarchical structure that leads to digitized texts.
The iconographic apparatus contains nearly 80 images relating to comets, while the thematic area devoted to Galileo’s Saggiatore reveals the historical context underlying the bitter dispute between the great Tuscan astronomer and Orazio Grassi.