Stéphane Le Mouëlic
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View article: Dark‐Toned Halite‐Enriched Veins Above the Marker Band Record a Drying Environment in Gale Crater
Dark‐Toned Halite‐Enriched Veins Above the Marker Band Record a Drying Environment in Gale Crater Open
The Martian surface preserves evidence of a global climate transition from wetter to drier conditions, but the nature of the fluids involved in this evolution remains poorly constrained. In Gale crater, the clay‐sulfate transition and pres…
View article: Laser and ion irradiations of Ysson basalt to simulate space weathering on Phobos and Deimos
Laser and ion irradiations of Ysson basalt to simulate space weathering on Phobos and Deimos Open
Introduction : The upcoming MMX (Martian Moon eXploration) mission [1] will carry the MIRS instrument (MMX Infrared Spectrometer, [2]) designed to investigate the surface composition of Mars’ moons, Phobos and Deimos. As airless bodies, th…
View article: Observing the Yardang unit at Gale crater on Mars with ChemCam’s RMI
Observing the Yardang unit at Gale crater on Mars with ChemCam’s RMI Open
The Remote Microscopic Imager (RMI) of the ChemCam instrument onboard Curiosity rover provides high-resolution imaging capabilities [1,2]. RMI was first designed to document the LIBS analysis on rocks and soils located at few meters from t…
View article: From photographic record to virtual worlds: the case of Apollo and rover missions
From photographic record to virtual worlds: the case of Apollo and rover missions Open
Thanks to the computational power of current graphic cards, photographic archives can be turned into three dimensions virtual worlds. The Structure from Motion photogrammetry technique simply requires a set of overlapping images, acquired …
View article: The Planetary Surfaces Data and Services Centre (PDSSP)
The Planetary Surfaces Data and Services Centre (PDSSP) Open
The Planetary Surfaces Data and Services Centre (PDSSP) is a geospatial data and services center dedicated to studies and research on planetary surfaces. This facility brings together several French research partners in planetology and aim…
View article: Super-resolution maps of icy moons: Application to the Cassini-VIMS observations of Enceladus
Super-resolution maps of icy moons: Application to the Cassini-VIMS observations of Enceladus Open
The icy moons of the outer solar system (Ganymede, Enceladus, Titan, etc.) have been found in the forefront of planetary exploration, due to their diverse geomorphology coupled with numerous discoveries hinting to possible habitable condit…
View article: Surface science on Phobos with the navigation cameras of the MMX IDEFIX rover
Surface science on Phobos with the navigation cameras of the MMX IDEFIX rover Open
IntroductionPhobos, the largest and closest moon to Mars, is the principal target of the Martian Moon eXploration (MMX) JAXA mission, which is scheduled for launch in 2026. The mission will orbit Phobos and perform multiple fly-bys of Deim…
View article: Peculiar rainbows in Saturn’s E ring: Uncovering luminous bands near Enceladus
Peculiar rainbows in Saturn’s E ring: Uncovering luminous bands near Enceladus Open
International audience
View article: Paleo‐Scours Within the Layered Sulfate‐Bearing Unit at Gale Crater, Mars: Evidence for Intense Wind Erosion
Paleo‐Scours Within the Layered Sulfate‐Bearing Unit at Gale Crater, Mars: Evidence for Intense Wind Erosion Open
The surface of modern Mars is largely shaped by wind, but the influence of past wind activity is less well constrained. Sedimentary rocks exposed in the lower foothills of Aeolis Mons, the central mound within Gale crater, record a transit…
View article: Prow & co.: inside the fluvial lenses of Gale's layered sulfate unit
Prow & co.: inside the fluvial lenses of Gale's layered sulfate unit Open
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View article: Photogrammetric processing of MSL images: a case study at the Mont Mercou outcrop in Gale crater on Mars
Photogrammetric processing of MSL images: a case study at the Mont Mercou outcrop in Gale crater on Mars Open
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View article: Gale's yardang unit revealed by chemcam remote microscopic imager on Mars
Gale's yardang unit revealed by chemcam remote microscopic imager on Mars Open
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View article: Multi-Scale Photogrammetric 3D Reconstruction of Apollo 17 Station 7
Multi-Scale Photogrammetric 3D Reconstruction of Apollo 17 Station 7 Open
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View article: 3D imaging of the Bayeux Tapestry using photogrammetry and integration into virtual reality: Results of a feasibility test
3D imaging of the Bayeux Tapestry using photogrammetry and integration into virtual reality: Results of a feasibility test Open
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View article: SEDIMENTARY EVOLUTION OF THE JEZERO WESTERN FAN, MARS
SEDIMENTARY EVOLUTION OF THE JEZERO WESTERN FAN, MARS Open
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View article: SULFATE-BEARING STRATA SEQUENCE EXTENDS EARLY MARS ENVIRONMENTS CONDUCIVE TO PREBIOTIC EVOLUTION
SULFATE-BEARING STRATA SEQUENCE EXTENDS EARLY MARS ENVIRONMENTS CONDUCIVE TO PREBIOTIC EVOLUTION Open
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View article: Overview of halite detections by chemcam in Gale Crater, Mars
Overview of halite detections by chemcam in Gale Crater, Mars Open
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View article: Constraints on Jezero paleolake history from its fluvial input
Constraints on Jezero paleolake history from its fluvial input Open
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View article: POSSIBLE DETECTION OF HEAT SHIMMER DISTORTIONS IN LONG-DISTANCE IMAGES FROM THE MSL CHEMCAM REMOTE MICRO-IMAGER
POSSIBLE DETECTION OF HEAT SHIMMER DISTORTIONS IN LONG-DISTANCE IMAGES FROM THE MSL CHEMCAM REMOTE MICRO-IMAGER Open
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View article: Degradation of organics at the surface of Mars: evolution of the Raman signal of the Ertalyte target aboard Perseverance
Degradation of organics at the surface of Mars: evolution of the Raman signal of the Ertalyte target aboard Perseverance Open
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View article: UP AND DOWN WENT JEZERO LAKE: SIGNIFICANT RESULTS FROM THE FIRST EVER SEQUENCE STRATIGRAPHIC ANALYSIS ON MARS
UP AND DOWN WENT JEZERO LAKE: SIGNIFICANT RESULTS FROM THE FIRST EVER SEQUENCE STRATIGRAPHIC ANALYSIS ON MARS Open
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View article: Evolution of Titan’s labyrinths through chemical erosion and hillslope transport
Evolution of Titan’s labyrinths through chemical erosion and hillslope transport Open
Introduction: First seen in the T39 Cassini RADAR SAR data in 2007, the high latitude labyrinth terrain on Titan consists in complex valleys that range from polygonal to linear features with morphological similarities with terrestrial kars…
View article: Landscape evolution on early Mars: insights from the Jezero western fan
Landscape evolution on early Mars: insights from the Jezero western fan Open
The modern surface of Mars does not sustain liquid water, however relict landforms observed on orbital images provide strong evidence of past aqueous activity. Nevertheless on-the-ground analysis of sedimentary strata are required to robus…
View article: The Planetary Surfaces Data and Services Centre (PDSSP)
The Planetary Surfaces Data and Services Centre (PDSSP) Open
The Planetary Surfaces Data and Services Centre (PDSSP) is a geospatial data and services center dedicated to studies and research on planetary surfaces. This center brings together several French research partners in planetology and aims …
View article: Virtual Reality to investigate the surface of the Moon: From the Aristarchus Plateau to the Apollo 17 and Chang’e 3 landing sites
Virtual Reality to investigate the surface of the Moon: From the Aristarchus Plateau to the Apollo 17 and Chang’e 3 landing sites Open
When coupled with 3D techniques such as photogrammetry or stereoscopy, Virtual and Augmented reality provide new means to investigate planetary surfaces [1]. These immersive rendering systems can be used for either outreach, education, or …
View article: New constraints on the “Marginal Carbonates” from in situ observations with SuperCam, Mars2020 
New constraints on the “Marginal Carbonates” from in situ observations with SuperCam, Mars2020  Open
Introduction: Jezero Crater lies in one of the most extensive carbonate-rich regions on Mars [1, 2], and diverse carbonate-bearing units were detected from orbit within the crater [3-6]. In particular, a unit along the Western rim of the c…
View article: Geological context and significance of the clay-sulfate transition region in Mount Sharp, Gale crater, Mars: An integrated assessment based on orbiter and rover data
Geological context and significance of the clay-sulfate transition region in Mount Sharp, Gale crater, Mars: An integrated assessment based on orbiter and rover data Open
On Mars, phyllosilicate (“clay”) minerals are often associated with older terrains, and sulfate minerals are associated with younger terrains, and this dichotomy is taken as evidence that Mars’ surface dried up over time. Therefore, in sit…