Arcus (planetary geology) explained

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

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]

Notes and References

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