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Yangoor (crater)

Summary

Yangoor is the largest known crater on the surface of the Uranian moon Ariel. The name comes from a spirit that brings day in Australian Aboriginal mythology.[1] It is about 80 km in diameter and is located approximately 450 km from Ariel's south pole. The northwestern edge of the crater was erased by formation of ridged terrain.[2] The crater lacks bright ejecta deposits and was imaged for the first time by the Voyager 2 spacecraft in January 1986.[3]

Crater characteristics
Voyager 2 image of Ariel with Yangoor left of center
MoonAriel
Coordinates68°42′S 80°18′W / 68.7°S 80.3°W / -68.7; -80.3 (Yangoor)[1]
Diameter78 kilometres (48 mi)
DiscovererVoyager 2
EponymSpirit, Australian Aboriginal mythology

References edit

  1. ^ a b "Yangoor (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. ^ Plescia, J. B. (May 21, 1987). "Geological terrains and crater frequencies on Ariel". Nature. 327 (6119): 201–204. Bibcode:1987Natur.327..201P. doi:10.1038/327201a0. ISSN 0028-0836. S2CID 4324623.
  3. ^ Smith, B. A.; Soderblom, L. A.; Beebe, A.; Bliss, D.; Boyce, J. M.; Brahic, A.; Briggs, G. A.; Brown, R. H.; Collins, S. A. (4 July 1986). "Voyager 2 in the Uranian System: Imaging Science Results". Science. 233 (4759): 43–64. Bibcode:1986Sci...233...43S. doi:10.1126/science.233.4759.43. PMID 17812889. S2CID 5895824.