Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Gazetteer of Planetary Nomenclature

Nomenclature News

  • Name Approved for Feature on Mars: Kārūn Valles

    The IAU Working Group for Planetary System Nomenclature has approved the name Karun Valles for a feature on Mars. For spelling of name using diacritical marks, and for more information, see the Gazetteer of Planetary Nomenclature.

  • Names Approved for 13 Features on Ceres

    The IAU Working Group for Planetary System Nomenclature has approved names for Ahuna Mons, Samhain Catena, and 11 craters on Ceres. For more information, see the Gazetteer of Planetary Nomenclature.

  • Names Approved for 12 Features on Mercury

    The IAU Working Group for Planetary System Nomenclature has approved names for 12 craters on Mercury. For more information, see the Gazetteer of Planetary Nomenclature.

  • Names Approved for 15 Features on Ceres

    The IAU Working Group for Planetary System Nomenclature has approved names for 15 features on Ceres, including 14 craters and Ysolo Mons. For more information, see the Gazetteer of Planetary Nomenclature.

  • Name Approved for Dune Field on Mars: Ogygis Undae

    The IAU Working Group for Planetary System Nomenclature has approved the name Ogygis Undae for a dune field on Mars. For more information, see the Gazetteer of Planetary Nomenclature.

  • Name Approved for Crater on Mars: Cardona

    The IAU Working Group for Planetary System Nomenclature has approved the name Cardona for a crater on Mars. For more information, see the Gazetteer of Planetary Nomenclature.

  • Name Approved for Crater on Mars: Negril

    The IAU Working Group for Planetary System Nomenclature has approved the name Negril for a crater on Mars. For more information, see the Gazetteer of Planetary Nomenclature.

  • Name Approved for a crater on Mars: Auki

    The IAU Working Group for Planetary System Nomenclature has approved the name Auki for a crater on Mars. For more information, see the Gazetteer of Planetary Nomenclature.

  • Names Approved for Three Features on Mars: Hellas Chasma, Peneus Palus and Coronae Planum

    The IAU Working Group for Planetary System Nomenclature has approved names for three features on Mars: Hellas Chasma, Peneus Palus, and Coronae Planum. For more information, see the Gazetteer of Planetary Nomenclature. 

  • Names Approved for Two Features on Mars: Talas and Navua Valles

    The IAU Working Group for Planetary System Nomenclature has approved names for two features on Mars, Talas (a crater), and Navua Valles. For more information, see the Gazetteer of Planetary Nomenclature.