dorsal/arxiv
View SchemaIn-situ acoustic-based analysis system for physical and chemical properties of the lower Martian atmosphere
| Authors | F. A. Farrelly, A. Petri, L. Pitolli, G. Pontuale |
|---|---|
| Categories | |
| ArXiv ID | physics/0401131 |
| URL | https://arxiv.org/abs/physics/0401131 |
| DOI | 10.1016/j.pss.2003.08.021 |
| Journal | Planet.Space Sci. 52 (2003) 125-131 |
Abstract
The Environmental Acoustic Reconnaissance and Sounding experiment (EARS), is composed of two parts: the Environmental Acoustic Reconnaissance (EAR) instrument and the Environmental Acoustic Sounding Experiment (EASE). They are distinct, but have the common objective of characterizing the acoustic environment of Mars. The principal goal of the EAR instrument is "listening" to Mars. This could be a most significant experiment if one thinks of everyday life experience where hearing is possibly the most important sense after sight. Not only will this contribute to opening up this important area of planetary exploration, which has been essentially ignored up until now, but will also bring the general public closer in contact with our most proximate planet. EASE is directed at characterizing acoustic propagation parameters, specifically sound velocity and absorption, and will provide information regarding important physical and chemical parameters of the lower Martian atmosphere; in particular, water vapor content, specific heat capacity, heat conductivity and shear viscosity, which will provide specific constraints in determining its composition. This would enable one to gain a deeper understanding of Mars and its analogues on Earth. Furthermore, the knowledge of the physical and chemical parameters of the Martian atmosphere, which influence its circulation, will improve the comprehension of its climate now and in the past, so as to gain insight on the possibility of the past presence of life on Mars. These aspect are considered strategic in the contest of its exploration, as is clearly indicated in NASA's four main objectives on "Long Term Mars Exploration Program" (http://marsweb.jpl.nasa.gov/mer/science).
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"abstract": "The Environmental Acoustic Reconnaissance and Sounding experiment (EARS), is\ncomposed of two parts: the Environmental Acoustic Reconnaissance (EAR)\ninstrument and the Environmental Acoustic Sounding Experiment (EASE). They are\ndistinct, but have the common objective of characterizing the acoustic\nenvironment of Mars. The principal goal of the EAR instrument is \"listening\" to\nMars. This could be a most significant experiment if one thinks of everyday\nlife experience where hearing is possibly the most important sense after sight.\nNot only will this contribute to opening up this important area of planetary\nexploration, which has been essentially ignored up until now, but will also\nbring the general public closer in contact with our most proximate planet. EASE\nis directed at characterizing acoustic propagation parameters, specifically\nsound velocity and absorption, and will provide information regarding important\nphysical and chemical parameters of the lower Martian atmosphere; in\nparticular, water vapor content, specific heat capacity, heat conductivity and\nshear viscosity, which will provide specific constraints in determining its\ncomposition. This would enable one to gain a deeper understanding of Mars and\nits analogues on Earth. Furthermore, the knowledge of the physical and chemical\nparameters of the Martian atmosphere, which influence its circulation, will\nimprove the comprehension of its climate now and in the past, so as to gain\ninsight on the possibility of the past presence of life on Mars. These aspect\nare considered strategic in the contest of its exploration, as is clearly\nindicated in NASA\u0027s four main objectives on \"Long Term Mars Exploration\nProgram\" (http://marsweb.jpl.nasa.gov/mer/science).",
"arxiv_id": "physics/0401131",
"authors": [
"F. A. Farrelly",
"A. Petri",
"L. Pitolli",
"G. Pontuale"
],
"categories": [
"physics.space-ph",
"astro-ph",
"cond-mat.mtrl-sci"
],
"doi": "10.1016/j.pss.2003.08.021",
"journal_ref": "Planet.Space Sci. 52 (2003) 125-131",
"title": "In-situ acoustic-based analysis system for physical and chemical properties of the lower Martian atmosphere",
"url": "https://arxiv.org/abs/physics/0401131"
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