Encyclopedia of Planetary Landforms

2015 Edition
| Editors: Henrik Hargitai, Ákos Kereszturi

Dorsum, Dorsa

  • Henrik Hargitai
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-3134-3_136

A descriptor term used in the Gazetteer of Planetary Nomenclature.


Ridge (Contopoulos and Jappel 1973; IAU Gazetteer 2014)

Previous Definitions

Ridges (Burba 1990); Dorsum: mare ridge; Dorsa: network or group of ridges (Andersson and Whitaker 1982); Mare ridge, wrinkle ridge: narrow ridge, mostly in mare (Wilhelms 1987); Ridge(s). Irregular, elongate prominence (de Vaucouleurs et al. 1975).

Origin of Term

Back (of a body), Latin.

History of Nomenclature

Added in 1973 (Contopoulos and Jappel 1973).

See Also


  1. Andersson LE, Whitaker EA (1982) NASA catalogue of lunar nomenclature. NASA Reference Publication, TucsonGoogle Scholar
  2. Burba GA (1990) Names on the maps of Venus – a pre-Magellan review. Earth Moon Planets 50–51:541–558CrossRefGoogle Scholar
  3. Contopoulos G, Jappel A (eds) (1973) Proceedings of the 15th general assembly and extraordinary general assembly. Transactions of the IAU Vol. XV B. Association of University for Research in AstronomyGoogle Scholar
  4. de Vaucouleurs G, Blunck J, Davies M, Dollfus A, Koval IK, Kuiper GP, Masursky H, Miyamoto S, Moroz VI, Sagan C, Smith B (1975) The new Martian nomenclature of the International Astronomical Union. Icarus 26(1):85–98CrossRefGoogle Scholar
  5. IAU Gazetteer (2014) Gazetter of planetary nomenclature. International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN). http://planetarynames.wr.usgs.gov/
  6. Wilhelms DE (1987) The geologic history of the moon. USGS Professional paper 1348Google Scholar

Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.NASA Ames Research Center/NPPMoffett FieldUSA