Neukum, G. and Oberst, J. and Hoffmann, H. and Wagner, R. and Ivanov, B.A. (2001) Geologic evolution and cratering history of mercury. Planetary and Space Science, 49 (14-15), pp. 1507-1521.
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Among the terrestrial planets, Mercury is te smalles and has the highest bulk density. Mecury exhibits a lunar-like surface, shaped by impact basins and craters. Rapid cooling and contraction as well as tidal despinning have resulted in a large inventory of tectonic scarps and faults visible on the surface. With plans for new orbiter missions to this intriguing planet taking shape, this paper presents a summary of our current knowledge on Mercury's geology and cratering history. On the basis of improved data on asteroid populations and crater scaling, we updated the time stratigraphic sequence for the planet and made new estimates for the time of formation of impact basins such as Tolstoy and Caloris, which generally are now thought to be younger than in previous estimates. In order to advance our unterstanding of the geology of the planet, imaging experiments on future missions must fill the gap in the global coverage left by the Mariner spacecraft, and increase the global multispectral spatial resolution to at least 100 m/pixel. Locally, the image resolution must reach approx. 10 m/pixel. Also stereo topographic models with global and local resolutions of 200 and 20 m, respectively, are required.
|Title:||Geologic evolution and cratering history of mercury|
|Journal or Publication Title:||Planetary and Space Science|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1507-1521|
|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):||UNSPECIFIED|
|Institutes and Institutions:||Institut für Weltraumsensorik und Planetenerkundung|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 18:56|
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