Rupes

In planetary geology, rupes (/ˈruːpɪs/, plural: /ˈruːpiːz/)^[1] are escarpments on planets other than Earth.

As of January 2013^[update], the IAU has named 62 such features in the Solar System, on Mercury (17), Venus (7), the Moon (8), Mars (23), the asteroids Vesta (2) and Lutetia (2), and Uranus's satellites Miranda (2) and Titania (1).^[2]^{[failed verification]}

How rupes formed is, as of 2008^[update], a matter of speculation. Compressional strain from the cooling of the crust of terrestrial planets and large-scale displacement due to impacts are the two dominant theories.^[3]

The term "rupes" comes from the Latin word for "cliff."

References

^ The two Latin forms, singular rūpes with a short 'e' and plural rūpēs with a long 'e', are spelled the same in English.
^ USGS Astrogeology: Gazetteer of Planetary Nomenclature - Feature Types
^ "APOD: 21 January 1996 - Mercury's Faults". APOD (Astronomy Picture of the Day). 1996-01-21. Retrieved 2008-04-16.

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[1] The two Latin forms, singular rūpes with a short 'e' and plural rūpēs with a long 'e', are spelled the same in English.

[2] USGS Astrogeology: Gazetteer of Planetary Nomenclature - Feature Types

[3] "APOD: 21 January 1996 - Mercury's Faults". APOD (Astronomy Picture of the Day). 1996-01-21. Retrieved 2008-04-16.

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See also

References