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Discovery of recurring slope lineae candidates in Mawrth Vallis, Mars
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology. (Group of Atmospheric Science)ORCID iD: 0000-0002-2502-6384
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology. (Group of Atmospheric Science)ORCID iD: 0000-0003-3181-2960
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology. (Group of Atmospheric Science)ORCID iD: 0000-0001-6479-2236
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology. (Group of Atmospheric Science)ORCID iD: 0000-0002-4492-9650
2019 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, article id 2040Article in journal (Refereed) Published
Abstract [en]

utside of established RSL regions and further prompt the inclusion of a new geographical region within the RSL candidate group. Our inferences on the RSL candidates are based on several morphological and geophysical evidences and analogies: (i) the dimensions of the RSL candidates are consistent with confirmed mid-latitude RSL; (ii) albedo and thermal inertia values are comparable to those of other mid-latitude RSL sites; and (iii) features are found in a summer season image and on the steep and warmest slopes. These results denote the plausible presence of transient liquid brines close to the previously proposed landing ellipse of the ExoMars rover, rendering this site particularly relevant to the search of life. Further investigations of Mawrth Vallis carried out at higher spatial and temporal resolutions are needed to identify more of such features at local scales to maximize the scientific return from the future Mars rovers, to prevent probable biological contamination during rover operations, to evade damage to rover components as brines can be highly corrosive, and to quantify the ability of the regolith at mid-latitudes to capture atmospheric water which is relevant for in-situ-resource utilization.

Place, publisher, year, edition, pages
Nature Publishing Group, 2019. Vol. 9, article id 2040
National Category
Astronomy, Astrophysics and Cosmology Aerospace Engineering
Research subject
Atmospheric science
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URN: urn:nbn:se:ltu:diva-72894DOI: 10.1038/s41598-019-39599-zISI: 000458619600040Scopus ID: 2-s2.0-85061571667OAI: oai:DiVA.org:ltu-72894DiVA, id: diva2:1288740
Note

Validerad;2019;Nivå 2;2019-02-27 (johcin)

Available from: 2019-02-14 Created: 2019-02-14 Last updated: 2019-02-27Bibliographically approved

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Bhardwaj, AnshumanSam, LydiaMartin-Torres, JavierZorzano Mier, María-Paz

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