Dunes on Pluto-Reference-Cited by-同舟云学术

Dunes on Pluto

Published:2018-06 Issue:6392 Volume:360 Page:992-997
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Telfer Matt W.¹^ORCID,Parteli Eric J. R.²^ORCID,Radebaugh Jani³^ORCID,Beyer Ross A.⁴⁵^ORCID,Bertrand Tanguy⁶^ORCID,Forget François⁶^ORCID,Nimmo Francis⁷^ORCID,Grundy Will M.⁸^ORCID,Moore Jeffrey M.⁵^ORCID,Stern S. Alan⁹,Spencer John⁹^ORCID,Lauer Tod R.¹⁰^ORCID,Earle Alissa M.¹¹^ORCID,Binzel Richard P.¹¹,Weaver Hal A.¹²^ORCID,Olkin Cathy B.¹²^ORCID,Young Leslie A.⁹,Ennico Kimberly⁵^ORCID,Runyon Kirby¹²^ORCID,Buie Marc,Buratti Bonnie,Cheng Andy,Kavelaars J.J.,Linscott Ivan,McKinnon William B.,Reitsema Harold,Reuter Dennis,Schenk Paul,Showalter Mark,Tyler Len,

Affiliation:

1. School of Geography, Earth and Environmental Sciences, Plymouth University, Drake Circus, Plymouth, Devon PL4 8AA, UK.

2. Department of Geosciences, University of Cologne, Pohligstraße 3, 50969 Cologne, Germany.

3. Department of Geological Sciences, College of Physical and Mathematical Sciences, Brigham Young University, Provo, UT 84602, USA.

4. Sagan Center at the SETI Institute, Mountain View, CA 94043, USA.

5. NASA Ames Research Center, Moffett Field, CA 94035, USA.

6. Laboratoire de Météorologie Dynamique, Université Pierre et Marie Curie, Paris, France.

7. University of California Santa Cruz, Santa Cruz, CA, USA.

8. Lowell Observatory, Flagstaff, AZ, USA.

9. Southwest Research Institute, Boulder, CO, USA.

10. National Optical Astronomy Observatory, Tucson, AZ 85726, USA.

11. Department of Earth, Atmosphere, and Planetary Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

12. Johns Hopkins University Applied Physics Laboratory, Laurel, MD, USA.

Abstract

Methane ice dunes on Pluto Wind-blown sand or ice dunes are known on Earth, Mars, Venus, Titan, and comet 67P/Churyumov-Gerasimenko. Telfer et al. used images taken by the New Horizons spacecraft to identify dunes in the Sputnik Planitia region on Pluto (see the Perspective by Hayes). Modeling shows that these dunes could be formed by sand-sized grains of solid methane ice transported in typical Pluto winds. The methane grains could have been lofted into the atmosphere by the melting of surrounding nitrogen ice or blown down from nearby mountains. Understanding how dunes form under Pluto conditions will help with interpreting similar features found elsewhere in the solar system. Science , this issue p. 992 ; see also p. 960

Funder

Deutsche Forschungsgemeinschaft

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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