Comparison of Viking Lander Descent Data and MOLA Topography Reveals Kilometer-Scale Offset in Mars Atmosphere Profiles |
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| Authors: | Paul WithersRD Lorenz GA Neumann |
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| Institution: | a Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona, 85721, f1withers@lpl.arizona.eduf1b Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona, 85721c Earth, Atmospheric, and Planetary Sciences Department, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139 |
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| Abstract: | Each Viking Lander measured a topographic profile during entry. Comparing to MOLA, we find a vertical offset of 1-2 km in the Viking trajectory. Hence, Viking atmospheric densities and pressures at a given altitude are 10-20% too large. |
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| Keywords: | atmospheres structure |
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