Names Approved for Three Features on Mars: Hiddekel, Icaria, and Phrixi Rupes

7 June 2017 The IAU Working Group for Planetary System Nomenclature has approved names for three features on Mars: Hiddekel Rupes, Icaria Rupes, and Phrixi Rupes. For more information, see Mars maps MC-12, MC-24, and MC-25 in the Gazetteer of Planetary Nomenclature.