Evidence for the Exposure of Water Ice on Titan's Surface-Reference-Cited by-同舟云学术

Evidence for the Exposure of Water Ice on Titan's Surface

Published:2003-04-25 Issue:5619 Volume:300 Page:628-630
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Griffith Caitlin A.¹²³⁴,Owen Tobias¹²³⁴,Geballe Thomas R.¹²³⁴,Rayner John¹²³⁴,Rannou Pascal¹²³⁴

Affiliation:

1. Department of Planetary Sciences, University of Arizona, 1629 East University Boulevard, Tucson, AZ 85721–0092, USA.

2. Institute for Astronomy, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.

3. Gemini Observatory, 670 North A'ohoku Place, Hilo, HI 96720, USA.

4. Université Pierre et Marie Curie, 4 Place Jussieu, Paris, France.

Abstract

The smoggy stratosphere of Saturn's largest moon, Titan, veils its surface from view, except at narrow wavelengths centered at 0.83, 0.94, 1.07, 1.28, 1.58, 2.0, 2.9, and 5.0 micrometers. We derived a spectrum of Titan's surface within these “windows” and detected features characteristic of water ice. Therefore, despite the hundreds of meters of organic liquids and solids hypothesized to exist on Titan's surface, its icy bedrock lies extensively exposed.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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