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crater chain
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crater chain
please note:
- the content below is remote from Wikipedia
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{{short description|Line of craters along the surface of an astronomical body}}{{for|the road in Hawaii Volcanoes National Park|Chain of Craters Road}}- the content below is remote from Wikipedia
- it has been imported raw for GetWiki
missing image!
- Chain of impact craters on Ganymede.jpg -
Enki Catena is a chain of impact craters on Ganymede, caused by a fragmented space body (probably a comet). The picture covers an area about 120 miles (193 kilometers) wide.
A crater chain is a line of craters along the surface of an astronomical body. The descriptor term for crater chains is catena {{IPAc-en|k|É|Ë|t|iË|n|É}}, plural catenae {{IPAc-en|k|É|Ë|t|iË|n|iË}} (Latin for "chain"), as specified by the International Astronomical Union's rules on planetary nomenclature.WEB,weblink Gazetteer of Planetary Nomenclature - Descriptor Terms (Feature Types), 2014-10-04, Many examples of such chains are thought to have been formed by the impact of a body that was broken up by tidal forces into a string of smaller objects following roughly the same orbit. An example of such a tidally disrupted body that was observed prior to its impact on Jupiter is Comet Shoemaker-Levy 9. During the Voyager observations of the Jupiter system, planetary scientists identified 13 crater chains on Callisto and three on Ganymede (except those formed by secondary craters). Later some of these chains turned out to be secondary or tectonic features, but some other chains were discovered. As of 1996, 8 primary chains on Callisto and 3 on Ganymede were confirmed.However, other crater chains, such as many of those on Mars, represent chains of collapse pits associated with grabens (see, for example, the Tithoniae Catenae near Tithonium Chasma). Crater chains may also be formed by a sequence of explosive cryovolcanic eruptions, such as Set Catena on Neptune's moon Triton.Crater chains seen on the Moon often radiate from larger craters, and in such cases are thought to be either caused by secondary impacts of the larger crater's ejecta or by volcanic venting activity along a rift.- Chain of impact craters on Ganymede.jpg -
Enki Catena is a chain of impact craters on Ganymede, caused by a fragmented space body (probably a comet). The picture covers an area about 120 miles (193 kilometers) wide.
See also
References
External links
- weblink" title="web.archive.org/web/19991008120632weblink">Catena on Callisto
- Lunar Crater Chains
- weblink" title="web.archive.org/web/20110721051220weblink">Moon nomenclature catenae
- content above as imported from Wikipedia
- "crater chain" does not exist on GetWiki (yet)
- time: 5:06am EDT - Sat, May 18 2024
- "crater chain" does not exist on GetWiki (yet)
- time: 5:06am EDT - Sat, May 18 2024
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