Craters Ritz Origin of the name Walter; Swiss physicist (1878-1909). When to observe it … Nearby Sklodowska 136 km Schorr 145 km 8 Homeward 172 km Brunner 173 km Mirzakhani 218 km Ganskiy (Hansky) 221 km Curie 233 km Houtermans 234 km