Potential Noachian-Aged Sites for MER-B

Mathematics – Logic

Scientific paper

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Mars Exploration, Roving Vehicles, Landing Sites, Geochronology, Mars Surface, Equatorial Regions, Geological Surveys, Terrain, Mineral Deposits, Water

Scientific paper

Two Mars Exploration Rovers (MER) are slated for launch in 2003 and will land in the equatorial region of Mars. These rovers are More formidable in both size and instrument complement than the Sojourner rover, potentially allowing greater range. For landing, they will be housed in an airbag system nearly identical to Pathfinder allowing them to land in an area with elevation below 1.3 km, Root Mean Square (RMS) slopes less than 6 degrees, rock abundance less than 20%, and fine component thermal inertia greater than 3-4 cgs units. MER-A may land between 15 S to 5 N and MER-B between 10 S and 10 N. Numerous sites have been identified by the JPL team as meeting the above engineering requirements for the landing of the rovers. Here we focus on a subset of these that lie in Noachian-aged terrain, as defined by Viking-era geologic mapping. This subset is further reduced by the first author's support of the selection (if possible) of a site in the Valles Marineris which can only be reached by MER-A, this study therefore focuses on those Noachian-aged sites that can be reached by MER-B.

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