Arcus (planetary geology)

In planetary geology, an arcus (pl. arcũs) is an arc-shaped type of landform.[1][2] Arcus is the Latin word for arc.[2]

Hotei Arcus on Titan

As of 2022 the only named arcus are Hotei Arcus on Saturn's moon Titan[3] and Kaʼan Arcus on the primitive trans-Neptunian object 486958 Arrokoth.[4]

References
  1. "Planetary Names: Titan". Gazetteer of Planetary Nomenclature. USGS. Retrieved 11 February 2017.
  2. Hargitai, Henrik (2014). "Arcus, [Arcūs]". Encyclopedia of Planetary Landforms. Springer. pp. 95–96. doi:10.1007/978-1-4614-9213-9_6-1. ISBN 978-1-4614-9213-9.
  3. "Planetary Names: Arcus, arcūs: Hotei Arcus on Titan". Gazetteer of Planetary Nomenclature. USGS. Retrieved 11 February 2017.
  4. "Arrokoth's Prominent Features Given Official Names". Sci-News. 16 February 2022.


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