Initial results from the InSight mission on Mars - Archive ouverte HAL
Article Dans Une Revue Nature Geoscience Année : 2020

Initial results from the InSight mission on Mars

W. Bruce Banerdt , Suzanne Smrekar (1) , Don Banfield (2) , Domenico Giardini (3) , Matthew Golombek (1) , Catherine Johnson (4) , Philippe Lognonné (5) , Aymeric Spiga (6) , Tilman Spohn (7) , Clément Perrin (8) , Simon C Stähler (3) , Daniele Antonangeli (9) , Sami Asmar , Caroline Beghein , Neil Bowles (10) , Ebru Bozdag (11) , Peter Chi , Ulrich Christensen (12) , John Clinton , Gareth Collins (13) , Ingrid Daubar (14) , Véronique Dehant (15) , Melanie Drilleau (8) , Matthew Fillingim (16) , William Folkner , Raphael Garcia (17) , Jim Garvin , John Grant , Matthias Grott (18) , Jerzy Grygorczuk (19) , Troy Hudson (1) , Jessica Irving , Gunter Kargl (20) , Taichi Kawamura , Sharon Kedar (1) , Scott King (21) , Brigitte Knapmeyer-Endrun (12) , Martin Knapmeyer (22) , Mark Lemmon (23) , Ralph Lorenz (24) , Justin Maki (1) , Ludovic Margerin (25) , Scott Mclennan (26) , Chloé Michaut (27) , David Mimoun (17) , Anna Mittelholz (4) , Antoine Mocquet (28) , Paul Morgan (29) , Nils Mueller (30) , Naomi Murdoch (17) , Seiichi Nagihara , Claire Newman (31) , Francis Nimmo (32) , Mark P Panning (1) , W. Thomas Pike , Ana-Catalina Plesa (7) , Sébastien Rodriguez (33) , José Antonio Rodríguez-Manfredi (34) , Christopher Russell (35) , Nicholas Schmerr , Matt Siegler (36) , Sabine Stanley (37) , Eléanore Stutzmann , Nicholas Teanby (38) , Jeroen Tromp (11) , Martin van Driel , Nicholas P Warner (39) , Renee Weber , Mark Wieczorek (8)
1 JPL - Jet Propulsion Laboratory
2 Cornell University [New York]
3 Institute of Geophysics [ETH Zürich]
4 UBC EOAS - Department of Earth, Ocean and Atmospheric Sciences [Vancouver]
5 IPGP - Institut de Physique du Globe de Paris
6 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
7 DLR Institut für Planetenforschung
8 IPGP - Institut de Physique du Globe de Paris
9 IMPMC - Institut de minéralogie, de physique des matériaux et de cosmochimie
10 AOPP - Department of Atmospheric, Oceanic and Planetary Physics [Oxford]
11 Department of Geosciences [Princeton]
12 MPS - Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
13 Department of Earth Science and Engineering [Imperial College London]
14 Department of Earth, Environmental and Planetary Sciences [Providence]
15 ROB - Royal Observatory of Belgium = Observatoire Royal de Belgique
16 SSL - Space Sciences Laboratory [Berkeley]
17 DEOS - Département Electronique, Optronique et Signal
18 DLR - Deutsches Zentrum für Luft- und Raumfahrt [Berlin]
19 IRSGIS - Institute of Remote Sensing and Geographic Information System
20 OeAW - Austrian Academy of Sciences
21 Graphics Lab - Graphics and Vision Research Laboratory
22 DLR - Deutsches Zentrum für Luft- und Raumfahrt
23 SSI - Space Science Institute [Boulder]
24 APL - Johns Hopkins University Applied Physics Laboratory [Laurel, MD]
25 IRAP - Institut de recherche en astrophysique et planétologie
26 Department of Geosciences
27 LGL-TPE - Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement
28 LPG - Laboratoire de Planétologie et Géodynamique [UMR 6112]
29 AstraZeneca
30 SwRI - Southwest Research Institute [Boulder]
31 Aeolis Research
32 Department of Earth and Planetary Sciences [Santa Cruz]
33 AIM (UMR7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
34 CAB - Centro de Astrobiologia [Madrid]
35 UCLA - University of California [Los Angeles]
36 OU - The Open University [Milton Keynes]
37 Morton K. Blaustein Department of Earth and Planetary Sciences [Baltimore]
38 School of Earth Sciences [Bristol]
39 USC - University of Southern California
W. Bruce Banerdt
  • Fonction : Auteur
Suzanne Smrekar
Jet Propulsion Laboratory
Don Banfield
Cornell University [New York]
Domenico Giardini
Institute of Geophysics [ETH Zürich]
Matthew Golombek
Jet Propulsion Laboratory
Catherine Johnson
Department of Earth, Ocean and Atmospheric Sciences [Vancouver]
Philippe Lognonné
Institut de Physique du Globe de Paris
CV
Aymeric Spiga
Laboratoire de Météorologie Dynamique (UMR 8539)
CV
Tilman Spohn
DLR Institut für Planetenforschung
Clément Perrin
  • Fonction : Auteur
Institut de Physique du Globe de Paris
Simon C Stähler
Institute of Geophysics [ETH Zürich]
Daniele Antonangeli
Institut de minéralogie, de physique des matériaux et de cosmochimie
Sami Asmar
Caroline Beghein
Neil Bowles
Department of Atmospheric, Oceanic and Planetary Physics [Oxford]
Ebru Bozdag
  • Fonction : Auteur
Department of Geosciences [Princeton]
Peter Chi
Ulrich Christensen
  • Fonction : Auteur
Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
John Clinton
  • Fonction : Auteur
Gareth Collins
Department of Earth Science and Engineering [Imperial College London]
Ingrid Daubar
Department of Earth, Environmental and Planetary Sciences [Providence]
Véronique Dehant
Royal Observatory of Belgium = Observatoire Royal de Belgique
Melanie Drilleau
Institut de Physique du Globe de Paris
Matthew Fillingim
Space Sciences Laboratory [Berkeley]
William Folkner
Raphael Garcia
  • Fonction : Auteur
Département Electronique, Optronique et Signal
Jim Garvin
John Grant
Matthias Grott
Deutsches Zentrum für Luft- und Raumfahrt [Berlin]
Jerzy Grygorczuk
  • Fonction : Auteur
Institute of Remote Sensing and Geographic Information System
Troy Hudson
Jet Propulsion Laboratory
Jessica Irving
Gunter Kargl
  • Fonction : Auteur
Austrian Academy of Sciences
Taichi Kawamura
CV
Sharon Kedar
  • Fonction : Auteur
Jet Propulsion Laboratory
Scott King
Graphics and Vision Research Laboratory
Brigitte Knapmeyer-Endrun
Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research
Martin Knapmeyer
Deutsches Zentrum für Luft- und Raumfahrt
Mark Lemmon
Space Science Institute [Boulder]
Ralph Lorenz
Johns Hopkins University Applied Physics Laboratory [Laurel, MD]
Justin Maki
Jet Propulsion Laboratory
Ludovic Margerin
Institut de recherche en astrophysique et planétologie
Scott Mclennan
Department of Geosciences
Chloé Michaut
Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement
David Mimoun
Département Electronique, Optronique et Signal
Anna Mittelholz
Department of Earth, Ocean and Atmospheric Sciences [Vancouver]
Antoine Mocquet
Laboratoire de Planétologie et Géodynamique [UMR 6112]
CV
Paul Morgan
  • Fonction : Auteur
AstraZeneca
Nils Mueller
Southwest Research Institute [Boulder]
Naomi Murdoch
Département Electronique, Optronique et Signal
Seiichi Nagihara
  • Fonction : Auteur
Claire Newman
Aeolis Research
Francis Nimmo
Department of Earth and Planetary Sciences [Santa Cruz]
Mark P Panning
Jet Propulsion Laboratory
W. Thomas Pike
Ana-Catalina Plesa
  • Fonction : Auteur
DLR Institut für Planetenforschung
Sébastien Rodriguez
Astrophysique Interprétation Modélisation
José Antonio Rodríguez-Manfredi
  • Fonction : Auteur
Centro de Astrobiologia [Madrid]
Christopher Russell
  • Fonction : Auteur
University of California [Los Angeles]
Nicholas Schmerr
Matt Siegler
  • Fonction : Auteur
The Open University [Milton Keynes]
Sabine Stanley
  • Fonction : Auteur
Morton K. Blaustein Department of Earth and Planetary Sciences [Baltimore]
Eléanore Stutzmann
  • Fonction : Auteur
Nicholas Teanby
School of Earth Sciences [Bristol]
Jeroen Tromp
Department of Geosciences [Princeton]
Martin van Driel
  • Fonction : Auteur
Nicholas P Warner
  • Fonction : Auteur
University of Southern California
Renee Weber
  • Fonction : Auteur
Mark Wieczorek
Institut de Physique du Globe de Paris
CV

Résumé

It aims to determine the interior structure, composition and thermal state of Mars, as well as constrain present-day seismicity and impact cratering rates. Such information is key to understanding the differentiation and subsequent thermal evolution of Mars, and thus the forces that shape the planet's surface geology and volatile processes. Here we report an overview of the first ten months of geophysical observations by InSight. As of 30 September 2019, 174 seismic events have been recorded by the lander's seismometer, including over 20 events of moment magnitude M w = 3-4. The detections thus far are consistent with tectonic origins, with no impact-induced seismicity yet observed, and indicate a seismically active planet. An assessment of these detections suggests that the frequency of global seismic events below approximately M w = 3 is similar to that of terrestrial intraplate seismic activity, but there are fewer larger quakes; no quakes exceeding M w = 4 have been observed. The lander's other instruments-two cameras, atmospheric pressure, temperature and wind sensors, a magnetometer and a radiometer-have yielded much more than the intended supporting data for seismometer noise characterization: magnetic field measurements indicate a local magnetic field that is ten-times stronger than orbital estimates and meteorological measurements reveal a more dynamic atmosphere than expected, hosting baroclinic and gravity waves and convective vortices. With the mission due to last for an entire Martian year or longer, these results will be built on by further measurements by the InSight lander.

Domaines

Planète et Univers [physics] Planétologie et astrophysique de la terre [astro-ph.EP]
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Soumis le : jeudi 1 avril 2021-11:05:13

Dernière modification le : jeudi 19 décembre 2024-16:50:03

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hal-02531541 , version 1 (01-04-2021)

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W. Bruce Banerdt, Suzanne Smrekar, Don Banfield, Domenico Giardini, Matthew Golombek, et al.. Initial results from the InSight mission on Mars. Nature Geoscience, 2020, 13 (3), pp.183-189. ⟨10.1038/s41561-020-0544-y⟩. ⟨hal-02531541⟩

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