The Geology of a Small Main-belt S-class Binary Asteroid System: Dinkinesh and Its Contact Binary Satellite Selam as Observed by the Lucy MissionOPEN ACCESS 

· by · in , , ,

E. B. Bierhaus, S. Marchi, S. J. Robbins, S. Mottola, W. F. Bottke, K. Noll, J. F. Bell III, J. M. Sunshine, J. Spencer, D. Britt The Planetary Science Journal, Volume 6, Number 12, published:…

Late Aqueous Activity on Vesta

· by · in , , , ,

Tianjing Gao, Weibiao Hsu JGR Planets, First Published: 27 December 2025 LINK “Key Points “Fluid-assisted metasomatism was prevalent on Vesta, but the timing and source(s) of aqueous activities remain elusive. Here, we report an absolute…

Phyllosilicate Infrared Spectral Features as Tracers of Aqueous Alteration in CM Chondrites and Implications for Remote Sensing of Hydrated AsteroidsOPEN ACCESS 

· by · in , , , , , ,

W. M. Lawrence, B. L. Ehlmann JGR Planets, First Published: 20 December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “CM (Mighei-type) carbonaceous chondrites host abundant OH/H2O-bearing phyllosilicates formed from water-rock reactions in primitive planetesimals….

Role of sulfide saturation in the petrogenesis of nakhlites and chassignitesOPEN ACCESS 

· by · in , ,

Marine Paquet, James M.D. Day, Arya Udry Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 28 December 2025 LINK + PDF (OPEN ACCESS) “The nakhlite and chassignite meteorites are the only confirmed group…

Rediscovering Lucky Hill: SEM-EDS insights into the composition and weathering of a Jamaican meteoriteOPEN ACCESS 

· by · in , ,

Yasmani Ceballos Izquierdo, Gabriel Gonçalves Silva, Johanset Orihuela León Geologia USP – Serie Cientifica 25(4):89-98, December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Lucky Hill meteorite, discovered in 1885 in Jamaica, remains one of the…

Small but mighty: Impact hazards from iron Near-Earth ObjectsOPEN ACCESS 

· by · in , , , ,

Robert Luther, Natalia Artemieva, Andrea Schmalen, Kai Wünnemann, Detlef Koschny, Richard Moissl MAPS, First published: 27 December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Small asteroids can impact Earth unexpectedly, as demonstrated by the Chelyabinsk event…

error: