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An alternate explanation suggests the deposit of ammonia was delivered by the impactor that created Organa crater. In either case, it is believed that Organa crater is the result of a recent impact, less than 10 million years ago. The impact that created Organa crater may have been so recent that the
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media franchise, which keeps with the theme of naming Charon's craters after science fiction characters. Organa crater is rich in frozen ammonia, which suggests it was created very recently. This crater is located in the northern Pluto-facing hemisphere of Charon.
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The source of the ammonia has not been confirmed, but it is associated with the impact process that created Organa crater, perhaps by removing the overlaying layer of water of ice and
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activity, with ammonia as magma. This interpretation is puzzling, since cryovolcanism isn't known to occur on such small bodies. In this scenario, the ammonia may have
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Stern, S. Alan; Grundy, William; McKinnon, William B; Weaver, Harold A; Young, Leslie A (2017). "The Pluto System After New
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from an atmosphere, or soaked the ground from a subsurface source, or diffused out of the existing
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Organa crater is the only known crater on Charon that contains abundant
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A composite image showing the ammonia around Organa crater, in green.
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383:"Pluto and Charon: Surface Colors and Compositions - A Hypothesis"
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This article about an extraterrestrial geological feature is a
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442:"Charon's Organa Crater Glows With the Force ... Er, Ammonia"
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on its flyby of Pluto. The name was chosen as a reference to
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crosses Ripley vertically. Organa Crater is at 9:00, and
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330:"The Youngest CraterThe Youngest Crater on Charon?"
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260:List of geological features on Charon
246:ammonia hasn't yet been destroyed by
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381:Cruikshank, D. P. (21 March 2016).
328:Talbert, Tricia (29 October 2015).
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148:is the informal name given to a
164:. The crater was discovered by
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33:Photo of Charon centered on
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45:is the dark crater at 12:00
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109:5 kilometres (3.1 mi)
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448:. Condé Nast Publications
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817:Impact craters on Charon
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280:"Global map of Charon"
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450:. Retrieved
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250:from space.
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236:precipitated
232:cryovolcanic
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210:New Horizons
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171:New Horizons
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119:New Horizons
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51:Feature type
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710:Kuiper belt
305:www.iau.org
179:Leia Organa
175:space probe
156:'s largest
138:Leia Organa
93: /
69:Coordinates
811:Categories
740:In fiction
423:Retrieved
367:1712.05669
266:References
218:2.22
129:Unofficial
114:Discoverer
672:Discovery
665:Astronomy
623:Nasreddin
559:Mountains
535:Gallifrey
515:Geography
416:Owlcation
248:radiation
184:Star Wars
181:from the
90:55°N 50°W
519:features
452:16 April
425:24 April
392:24 April
340:16 April
285:25 April
254:See also
228:regolith
214:infrared
106:Diameter
59:Location
728:Related
693:General
613:Dorothy
606:Craters
528:Regions
506:Geology
206:ammonia
192:Ammonia
95:55; -50
638:Ripley
628:Organa
575:Chasms
550:Vulcan
540:Mordor
495:Charon
310:3 July
240:tholin
162:Charon
150:crater
146:Organa
134:Eponym
126:Naming
63:Charon
22:Organa
643:Vader
446:WIRED
362:arXiv
154:Pluto
43:Vader
768:stub
684:NOFS
633:Pirx
618:Kirk
454:2018
427:2018
394:2018
342:2018
334:NASA
312:2022
287:2018
166:NASA
158:moon
81:50°W
78:55°N
168:'s
152:on
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545:Oz
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
