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Laser Altimeter Observations from MESSENGER’s First Mercury Flyby

Zuber, M. T. and Smith, D. E. and Solomon, S. C. and Phillips, R. J. and Peale, S. J. and Head, J. W. and Hauck, S. A. and McNutt Jr, R. L. and Oberst, J. and Neumann, G. A. and Lemoine, F. G. and Sun, X. and Barnouin-Jha, O. and Harmon, J. K. (2008) Laser Altimeter Observations from MESSENGER’s First Mercury Flyby. Science, 321 (77), pp. 77-79. American Association for the Advancement of Science. DOI: 10.1126/science.1159086. ISSN ISSN 0036-8075.

Full text not available from this repository.

Official URL: http://www.sciencemag.org

Abstract

A 3200-kilometers-long profile of Mercury by the Mercury Laser Altimeter on the MESSENGER spacecraft spans ~20% of the near-equatorial region of the planet. Topography along the profile is characterized by a 5.2-kilometer dynamic range and 930-meter root-mean-square roughness. At long wavelengths, topography slopes eastward by 0.02°, implying a variation of equatorial shape that is at least partially compensated. Sampled craters on Mercury are shallower than their counterparts on the Moon, at least in part the result of Mercury’s higher gravity. Crater floors vary in roughness and slope, implying complex modification over a range of length scales.

Document Type:Article
Title:Laser Altimeter Observations from MESSENGER’s First Mercury Flyby
Authors:
AuthorsInstitution or Email of Authors
Zuber, M. T.zuber@mit.edu, Massachusetts Institute of Technology, Cambridge, MA 02139–4307, USA
Smith, D. E.NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
Solomon, S. C.Carnegie Institution of Washington, Washington, DC 20015, USA
Phillips, R. J.Southwest Research Institute, Boulder, CO 80302, USA
Peale, S. J.University of California, Santa Barbara, CA 93106, USA
Head, J. W.Brown University, Providence, RI 02912, USA
Hauck, S. A.Western Reserve University, Cleveland, OH 44106, USA
McNutt Jr, R. L.Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
Oberst, J.German Aerospace Center (DLR), Berlin, D-12489 Germany
Neumann, G. A.NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
Lemoine, F. G.NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
Sun, X.NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
Barnouin-Jha, O.Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA
Harmon, J. K.Arecibo Observatory, Arecibo 00612, Puerto Rico
Date:July 2008
Journal or Publication Title:Science
Refereed publication:Yes
In Open Access:No
In ISI Web of Science:Yes
Volume:321
DOI:10.1126/science.1159086
Page Range:pp. 77-79
Publisher:American Association for the Advancement of Science
ISSN:ISSN 0036-8075
Status:Published
Keywords:Mercury, Laser Altimeter, Messenger, topography
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Planetenforschung (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Deposited By: Marita Wählisch
Deposited On:09 Nov 2009 10:57
Last Modified:09 Nov 2009 10:57

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