Sulcus /ˈsʌlkəs/[1] (pl.: sulci /ˈsʌls/)[1] is, in astrogeology, an area of complex parallel or subparallel ridges and furrows on a planet or moon.[2]

Medusae Sulci based on day THEMIS day-time image on Mars

For example, Uruk Sulcus is a bright region of grooved terrain adjacent to Galileo Regio on Jupiter's moon Ganymede.

References edit

  1. ^ a b "sulcus". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  2. ^ Hamilton, C.J. (2015). "Terms and Definitions: sulcus". Views of the Solar System. Archived from the original on 2019-10-01. Retrieved 2020-01-21.