Magruder, KerryPurkaple, Brent2018-01-022018-01-022018Kerry Magruder and Brent Purkaple, "Six Cosmological Systems: Phases of Venus," Lynx Open Ed, 2018.https://hdl.handle.net/11244/54296It is often thought that Galileo's discovery of the phases of venus demonstrated the contested heliocentric model of the universe. However, such an understanding is overly simplistic of the early modern account of astronomy. Use this learning leaflet to learn more.Physics, Astronomy and Astrophysics.Galileo's WorldAstronomyLearning Object