Sion, Switzerland and library, the church of the Notre-Dame de Valère and the church of St-Théodule. The remains of a neolithic settlement and the modern city of Sion are also on the list. The entire town of Sion and the village of Bramois are both part of the Inventory of Swiss Heritage Sites. A characteristic of Sion is its medieval townscape, dominated by the hills Valère () with the Basilique de Valère (12th–13th century), and Tourbillon () with the ruins of the Tourbillon Castle. The Valère Basilica is the church on top of the southern of the two mottes, at the east
Edward M. Sion Edward M. Sion Edward M Sion (born January 18, 1946) is an American astrophysicist who is Professor in the Department of Astrophysics and Planetary Science at Villanova University. He specializes on the structure and evolution of white dwarf stars and white dwarf stars in explosive binary star systems known as cataclysmic variables. Edward M. Sion is a US citizen of Lebanese descent. Sion received a BA in Astronomy from the University of Kansas in 1968 and an MA in Astronomy from KU in 1969. He received a Ph.D in Astrophysics at the University of Pennsylvania in 1975. In 1977, Sion