Abisme /æˈbiːm/ is the largest known impact basin on Iapetus, located on Cassini Regio at 37.5°N, 267.1°E. Craters such as Falsaron Climborin, Clarin, Dapamort, Johun and Valdebron can be found inside Abisme. It was imaged for the first time by the Cassini spacecraft in 2004. It has a diameter of 767.7 km, and covers 52% of the moon's diameter, making it included among the largest craters in the Solar System.
Nomenclature Abisme is named after a Saracen baron in the Old French epic poem Song of Roland;this name was approved by the International Astronomical Union (IAU) on 16 August 2013.
See also
List of geological features on Iapetus
External sources Map of Iapetus
References