Artemis Corona: Difference between revisions
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Importing Wikidata short description: "Corona on Venus" (Shortdesc helper) |
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{{short description|Corona on Venus}} |
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{{Infobox feature on celestial object |
{{Infobox feature on celestial object |
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|name = Artemis Corona |
|name = Artemis Corona |
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Revision as of 02:10, 16 August 2019
 Radar image of Artemis Corona | |
| Feature type | Corona |
|---|---|
| Coordinates | 35°S 135°E / 35°S 135°E[1] |
| Diameter | 2,600 km |
| Eponym | Artemis |
Artemis Corona is a corona found in the Aphrodite Terra continent, on the planet Venus, at 35°S 135°E / 35°S 135°E.
Named after Artemis, the virgin goddess of hunting, it is the largest corona on Venus, with a diameter of 2,600 kilometers. It is largely enclosed by the near circular Artemis Chasma - a circular belt of arc-shaped features believed to be largely of compressional origin.
Artemis is an unusual feature on Venus as it has been interpreted to be the site of plate tectonics operating on a regional scale.[2] There are grabens and compressional arcs which rise above the surrounding plains. As a whole, Artemis is not elevated like other coronae. Regions within Artemis are in fact some 4 km below the surrounding plains. The differences between the highest and the lowest point within Artemis are in the order of 7.5 km.
The central rift region of Artemis has been interpreted as a spreading zone (Britomartis Chasma) which has been offset - with clear signs of strike-slip faulting offsetting the central rift zone. Retrograde subduction is interpreted to occur at the circular arc belts of Artemis Chasmata.[citation needed]
References
- ^ "Artemis Corona". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
- ^ Spencer, J. E. (2001) Possible giant metamorphic core complex at the center of Artemis Corona, Venus, Geological Society of America Bulletin 113(3), 333-345.
External links
- A picture of Artemis Corona and its Chasma from NASA
- A 3-dimensional profile of Artemis region See: https://web.archive.org/web/20070812165042/http://www.windows.ucar.edu/tour/link%3D/venus/interior/V_coronae.html%26fr%3Dt
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