Names Approved on Mercury: Chikyu Rupes, Investigator Rupes, and Alpha Crucis Rupes

2 February 2021 The IAU Working Group for Planetary System Nomenclature has approved names for three features on Mercury: Chikyu Rupes, Investigator Rupes, and Alpha Crucis Rupes. For more information, see the Mercury maps H-13 and H-09 in the Gazetteer of Planetary Nomenclature.