A salt-water reservoir as the source of a compositionally stratified plume on Enceladus

Saturn's icy moon Enceladus is emitting a plume of water vapour and ice particles from warm fractures near its south pole known as tiger stripes. This plume material is thought to originate either from subsurface liquids or through the decomposition of ice. Postberg et al. report the first meas...

Full description

Saved in:
Bibliographic Details
Main Authors: Postberg, Frank (Author) , Schmidt, J. (Author) , Hillier, Jon (Author) , Kempf, S. (Author) , Srama, R. (Author)
Format: Article (Journal)
Language:English
Published: 22 June 2011
In: Nature
Year: 2011, Volume: 474, Issue: 7353, Pages: 620-622
ISSN:1476-4687
DOI:10.1038/nature10175
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1038/nature10175
Verlag, Volltext: http://www.nature.com/nature/journal/v474/n7353/pdf/nature10175.pdf
Get full text
Author Notes:F. Postberg, J. Schmidt, J. Hillier, S. Kempf & R. Srama
Description
Summary:Saturn's icy moon Enceladus is emitting a plume of water vapour and ice particles from warm fractures near its south pole known as tiger stripes. This plume material is thought to originate either from subsurface liquids or through the decomposition of ice. Postberg et al. report the first measurements of the compositions of freshly ejected particles, carried out by Cassini's dust detector during plume crossings. Salt-rich ice particles are found to dominate the total mass flux of ejected solids (>99%), which suggests that a salt-water reservoir with a large evaporating surface provides nearly all of the matter in the plume.
Item Description:Gesehen am 11.05.2015
Physical Description:Online Resource
ISSN:1476-4687
DOI:10.1038/nature10175