Mare Ingenii
Oblique Lunar Orbiter 2 image
(south at top)
Coordinates33°42′S 163°30′E / 33.7°S 163.5°E / -33.7; 163.5
Diameter282 km[1]
EponymSea of Ingenuity

Mare Ingenii /ɪnˈdʒiːniaɪ/ (Latin ingeniī, the "Sea of Cleverness") is one of the few lunar mare features on the far side of the Moon. The mare sits in the Ingenii basin, which is of the Pre-Nectarian epoch, which lies in turn in the outer part of the older and much larger South Pole–Aitken basin. The mare material located in Ingenii and the surrounding craters is of the Upper Imbrian epoch. The dark circular feature which dominates this mare is the crater Thomson (112 km diameter), with the overflow from Ingenii/Thomson directly to the east. Mare Ingenii is incompletely and thinly covered over much of its expanse with mare lava sheets. The light grey crater to the south of Mare Ingenii is Obruchev.

The mare has swirling patterns of bright material, similar to Reiner Gamma and to patterns within Mare Marginis, which are not associated with topographic or volcanic features. The lunar swirls are believed to be associated with magnetic fields.[2]

Prior to formal naming in 1961 by the IAU,[1] the crater was known as Basin XIV.[3]

Mare Ingenii is located at the antipode of the Mare Imbrium impact basin. The furrowed crater walls of the basin (and possibly those of Van de Graaff crater) may have been caused by focused seismic waves resulting from the Imbrium impact.[4]

The mare contains the second instance of a lunar pit discovered on the moon and one of several outside the Earth to date.[5]

See also

Lunar Reconnaissance Orbiter Camera (LROC) articles

References

  1. 1 2 "Mare Ingenii". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ↑ Shirao, Motomaro; Wood, Charles A. (January 18, 2011). The Kaguya Lunar Atlas: The Moon in High Resolution. Springer Publications. ISBN 9781441972859. Plate 91: Mare Ingenii
  3. ↑ Lunar Farside Chart (LFC-1A)
  4. ↑ Schultz, P. H.; Gault, D. E. (February 1975). "Seismic effects from major basin formations on the moon and mercury". The Moon. 12 (2): 159. Bibcode:1975Moon...12..159S. doi:10.1007/BF00577875. S2CID 121225801.
  5. ↑ Atkinson, Nancy (June 17, 2010). "LRO Views Huge Lava Tube Skylight in Mare Ingenii". universetoday.com. Retrieved 2021-05-13.


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