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Evidence for ammonium-bearing minerals on ceres

Science

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Abstract

Spectra obtained from recent telescopic observation of 1-Ceres and laboratory measurements and theoretical calculations of three component mixtures of Ceres analog material suggest that an ammoniated phyllosilicate is present on the surface of the asteroid, rather than H2O frost as had been previously reported. The presence of an ammoniated phyllosilicate, most likely ammoniated saponite, on the surface of Ceres implies that secondary temperatures could not have exceeded 400 kelvin.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Evidence for ammonium-bearing minerals on ceres
Series title:
Science
Volume
255
Issue:
5051
Year Published:
1992
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
1551
Last page:
1553
Number of Pages:
3