The Mars Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for the Mars 2020 Mission

Author:

Rodriguez-Manfredi J. A.ORCID, ,de la Torre Juárez M.,Alonso A.,Apéstigue V.,Arruego I.,Atienza T.,Banfield D.,Boland J.,Carrera M. A.,Castañer L.,Ceballos J.,Chen-Chen H.,Cobos A.,Conrad P. G.,Cordoba E.,del Río-Gaztelurrutia T.,de Vicente-Retortillo A.,Domínguez-Pumar M.,Espejo S.,Fairen A. G.,Fernández-Palma A.,Ferrándiz R.,Ferri F.,Fischer E.,García-Manchado A.,García-Villadangos M.,Genzer M.,Giménez S.,Gómez-Elvira J.,Gómez F.,Guzewich S. D.,Harri A.-M.,Hernández C. D.,Hieta M.,Hueso R.,Jaakonaho I.,Jiménez J. J.,Jiménez V.,Larman A.,Leiter R.,Lepinette A.,Lemmon M. T.,López G.,Madsen S. N.,Mäkinen T.,Marín M.,Martín-Soler J.,Martínez G.,Molina A.,Mora-Sotomayor L.,Moreno-Álvarez J. F.,Navarro S.,Newman C. E.,Ortega C.,Parrondo M. C.,Peinado V.,Peña A.,Pérez-Grande I.,Pérez-Hoyos S.,Pla-García J.,Polkko J.,Postigo M.,Prieto-Ballesteros O.,Rafkin S. C. R.,Ramos M.,Richardson M. I.,Romeral J.,Romero C.,Runyon K. D.,Saiz-Lopez A.,Sánchez-Lavega A.,Sard I.,Schofield J. T.,Sebastian E.,Smith M. D.,Sullivan R. J.,Tamppari L. K.,Thompson A. D.,Toledo D.,Torrero F.,Torres J.,Urquí R.,Velasco T.,Viúdez-Moreiras D.,Zurita S.

Abstract

AbstractNASA’s Mars 2020 (M2020) rover mission includes a suite of sensors to monitor current environmental conditions near the surface of Mars and to constrain bulk aerosol properties from changes in atmospheric radiation at the surface. The Mars Environmental Dynamics Analyzer (MEDA) consists of a set of meteorological sensors including wind sensor, a barometer, a relative humidity sensor, a set of 5 thermocouples to measure atmospheric temperature at ∼1.5 m and ∼0.5 m above the surface, a set of thermopiles to characterize the thermal IR brightness temperatures of the surface and the lower atmosphere. MEDA adds a radiation and dust sensor to monitor the optical atmospheric properties that can be used to infer bulk aerosol physical properties such as particle size distribution, non-sphericity, and concentration. The MEDA package and its scientific purpose are described in this document as well as how it responded to the calibration tests and how it helps prepare for the human exploration of Mars. A comparison is also presented to previous environmental monitoring payloads landed on Mars on the Viking, Pathfinder, Phoenix, MSL, and InSight spacecraft.

Funder

Ministerio de Economía y Competitividad

Ministerio de Ciencia, Innovación y Universidades

Instituto Nacional de Técnica Aeroespacial

Centre for Industrial Technological Development

National Aeronautics and Space Administration

H2020 European Research Council

Publisher

Springer Science and Business Media LLC

Subject

Space and Planetary Science,Astronomy and Astrophysics

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