Results 21 to 30 of about 22,412 (124)

New Constraints on the Lunar Crust and Upper Mantle From Multiple Geophysical Data Sets

Journal of Geophysical Research: Planets, Volume 131, Issue 11, November 2026.
Abstract Determining the crust–mantle boundary of the Moon has been an important topic in lunar interior studies. However, strong seismic scattering in the lunar subsurface has made it challenging to identify clear crustal reflections or converted seismic phases.
Xiang Zhang, Philippe Lognonné, Henri Samuel, Taichi Kawamura, Mélanie Drilleau, Mark Wieczorek, Zongbo Xu, Keisuke Onodera   +7 more
wiley   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

Journal of Field Robotics, Volume 43, Issue 7, Page 4475-4514, October 2026.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang, Hao Zhou, Dalin Zhou, Zhaojie Ju   +3 more
wiley   +1 more source

Description and terrestrial ages of the Calama Area Meteorite Collection (Atacama Desert, Chile)

Meteoritics &Planetary Science, Volume 61, Issue 10, Page 2415-2430, October 2026.
Abstract We present a comprehensive study of a meteorite collection from the Atacama Desert (Chile), the driest and most climatically stable desert in the world. This collection includes meteorites from three adjacent Dense Collection Areas (DCAs) in the northern part of the Atacama Desert: Calama, Sierra Gorda, and Chug Chug, referred to as the ...
Carine Sadaka, Jérôme Gattacceca, Florian Dumas, Régis Braucher, ASTER Team, Matthieu Gounelle, Dilyara Kuzina, Cyril Lorenz, Alexandre Corgne, Pierre Sempéré   +9 more
wiley   +1 more source

Sorting and recycling processes of early inner Solar System materials

Astronomy & Astrophysics
Context. Within pristine chondrites, chondrules and a fine-grained matrix are the dominant components; however, their genetic relationship remains unresolved.
Xiang Jinwei, Neumann Wladimir, Li Ye, Jin Lei, Zhu Yanlin, Jin Ziliang   +5 more
doaj   +1 more source

The Role of Chlorate‐Driven Oxidative Weathering in Shaping Clay Deposits on Mars

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract Oxidized clays and the widespread Al/Si‐over‐Fe/Mg stratigraphy on Mars imply prolonged water‐rock interactions and efficient oxidative weathering despite the largely anoxic conditions of Early Mars when most deposits formed during the climate optimum.
Jiawei Wang, Nicole M. Fernandez
wiley   +1 more source

Orbital, Latitudinal, and Diurnal Variations in Meteoroid Influx, Atmospheric Ablation and Ionization, and Micrometeorite Accretion at Venus

The Planetary Science Journal
This study provides a comprehensive description of the meteoric cycle on Venus, considering the temporal, latitudinal, and orbital variations of meteoroid mass influx before atmospheric entry, the ablation rates and the subsequent ionization of meteoric ...
Juan Diego Carrillo-Sánchez, Diego Janches, John M. C. Plane, Petr Pokorný   +3 more
doaj   +1 more source

Microscale Hyperspectral Mapping of a Kilometer of Mantle Rocks: Insights Into Low‐Temperature Serpentinization Systems From the Oman Drilling Program Cores

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract Characterizing products of water‐rock interactions in low‐temperature serpentinization of ultramafic rock is key to reconstructing fluid alteration histories of the crust and identifying subsurface habitable environments. We analyzed terrestrial peridotites from the Samail ophiolite using visible to near‐infrared (VNIR‐SWIR) microimaging ...
Lucia Mandon, Bethany L. Ehlmann, Rebecca N. Greenberger, Eric T. Ellison, Lisa E. Mayhew, Alexis S. Templeton   +5 more
wiley   +1 more source

Lunar ejecta as the missing piece to resolving lunar cratering asymmetry

Astronomy & Astrophysics
The leading-trailing asymmetry in lunar crater distribution provides a critical record of inner Solar System dynamics, yet the long-standing discrepancy between the observed higher asymmetry and lower theoretical predictions indicates a gap in our ...
Li Hailiang, Zhang Xiaoping, Zhou Li-Yong   +2 more
doaj   +1 more source

Formation and Alteration of Magnesite Nodules From Kunwarara, Queensland, Australia, as an Analog to Mg‐Carbonate Formation on Mars

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract Magnesite (MgCO3) is a magnesium (Mg) carbonate mineral that records the aqueous environmental conditions of its formation. On Earth, magnesite forms in metamorphic, diagenetic or pedogenic environments, and distinguishing between these environments is critical for understanding the fluid chemistry during magnesite precipitation. Mg carbonates
E. L. Cardarelli, T. M. Present, P. M. Vasconcelos, L. C. Kah, C. Swindle, S. Bhattacharjee, K. Farley   +6 more
wiley   +1 more source

Accretion of Meteoric Organic Matter at the Surface of Mars and Potential Production of Methane by Ultraviolet Radiation

The Planetary Science Journal
In this study, a comprehensive model of the meteoric organic cycle on Mars for the current geological period is developed, which characterizes the ablation of exogenous organic matter in the upper atmosphere, the accretion of intact carbon at the surface,
Juan Diego Carrillo-Sánchez, John M. C. Plane, Diego Janches, Gerónimo L. Villanueva   +3 more
doaj   +1 more source