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AGU: Geophysical Research Letters

 

Index Terms

  • Planetology: Solid Surface Planets: Polar regions
  • Planetology: Solid Surface Planets: Instruments and techniques
  • Planetology: Solar System Objects: Moon

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 31, L23701, 4 PP., 2004
doi:10.1029/2004GL021197

Galileo stereo topography of the lunar north polar region

Paul M. Schenk

Lunar and Planetary Institute, Houston, Texas, USA

D. Ben J. Bussey

Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA

Estimates of the elevation of the lunar polar regions are uncertain to a few km. Galileo stereo images of the north polar region were used to derive a new topographic map, partially filling the gap in Clementine LIDAR topography northward of 80°, and providing an independent constraint on lunar polar topography and solar illumination. Our Galileo elevation model has an estimated vertical precision of ∼200 m, and a measurement footprint of ∼9 km. These new data show that the north polar region (frontside) is, to within the margin of error, consistent with radar derived estimates.

Received 4 August 2004; accepted 19 October 2004; published 7 December 2004.

Citation: Schenk, P. M., and D. B. J. Bussey (2004), Galileo stereo topography of the lunar north polar region, Geophys. Res. Lett., 31, L23701, doi:10.1029/2004GL021197.

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