Evidence for Nitrogen-bearing Species on Umbriel: Sourced from a Subsurface Ocean, Undifferentiated Crust, or Impactors?

Evidence for Nitrogen-bearing Species on Umbriel: Sourced from a Subsurface Ocean, Undifferentiated Crust, or Impactors?

Near-infrared spectra of Umbriel and the other classical Uranian moons exhibit 2.2 μ m absorption bands that could result from ammonia (NH _3 ) bearing species, possibly exposed in the geologically recent past. However, Umbriel has an ancient surface with minimal evidence for recent endogenic activi...

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Detalles Bibliográficos
Main Authors: Richard J. Cartwright, Riley A. DeColibus, Julie C. Castillo-Rogez, Chloe B. Beddingfield, William M. Grundy, Tom A. Nordheim
Formato: Artigo
Idioma:English
Publicado: IOP Publishing 2023-01-01
Series:The Planetary Science Journal
Subjects:
Surface ices
Surface processes
Planetary surfaces
Surface composition
Uranian satellites
Acceso en liña:https://doi.org/10.3847/PSJ/acbc1f

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