Magruder, KerryPurkaple, Brent2018-01-022018-01-022018Kerry Magruder and Brent Purkaple, "Phases of Venus: Riccioli, New Almagest," Lynx Open Ed, 2018.https://hdl.handle.net/11244/54298The phases of Venus were an item of discussion in early modern Europe as scientists sought to determine whether it was evidence of the heliocentric system. Yet among the scientists it was anything but conclusive that this evidence proved the sun-centered universe. Learn more in this learning leaflet.Learning Object