4.5 Article

Is the missing ultra-red material colorless ice?

Journal

ICARUS
Volume 199, Issue 2, Pages 560-563

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.icarus.2008.10.021

Keywords

Kuiper belt; Transneptunian objects; Centaurs; Ices; Spectroscopy

Funding

  1. NASA Planetary Geology and Geophysics [NNG04GI72G]

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The extremely red colors of some transneptunian objects and Centaurs are not seen among the Jupiter family comets which Supposedly derive from them. Could this mismatch result from sublimation loss of colorless ice? Radiative transfer models show that mixtures of volatile ice and non-volatile organics could be extremely red, but become progressively darker and less red as the ice sublimates away. (C) 2008 Elsevier Inc. All rights reserved.

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