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

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Apr 2021 Spain, Italy English Publisher:Springer Science and Business Media LLCJournal:Space Science Reviews, volume 217 (issn: 0038-6308, eissn: 1572-9672,

Authors: R. Leiter; M. Hieta; Miriam García-Villadangos; Mark I. Richardson; Santiago Pérez-Hoyos; Mark T. Lemmon; Ricardo Hueso; +79 Authors

doi: 10.1007/s11214-021-00816-9

pmid: 34776548

pmc: PMC8550605

handle: 10261/253654 , 10261/257952 , 2117/360596 , 20.500.12666/587 , 11577/3545569

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

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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.

Countries

Spain, Italy

Related Organizations

Cornell University
United States
Johns Hopkins University
United States
National Aeronautics and Space Administration
United States
University of Alcalá
Spain
University of the Basque Country
Spain

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Keywords

Albedo, Meda Instruments, Albedo; Atmosphere; Clouds; Dust; Instruments; Mars; Mars2020; MEDA instrument; Perseverance; Pressure; Radiation fluxes; Surface temperature; Temperature; Thermal infrared; UV; Wind, Mars, Perseverance, Wind, MEDA instrument, Article, :Enginyeria electrònica::Instrumentació i mesura::Sensors i actuadors [Àrees temàtiques de la UPC], Àrees temàtiques de la UPC::Enginyeria electrònica::Instrumentació i mesura::Sensors i actuadors, Clouds, Pressure, Thermal Infrared, Thermal infrared, Temperatures, Atmosphere, Mars2020, Temperature, Detectors, Dust, Surface Temperature, Radiation Fluxes, UV, Surface temperature, Radiation fluxes, Instruments

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%