Uncertainties in physical properties of Itokawa-like asteroids widen constraints on their formation timeOPEN ACCESS
Jonas Hallstrom & Maitrayee Bose Earth, Planets and Space volume 75, Article number: 11Published: 20 January 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “One of the outstanding questions in planetary science is to determine how the fundamental mechanical and…
Mass-independent Sn isotope fractionation and radiogenic 115Sn in chondrites and terrestrial rocks
Alessandro Bragagni, Frank Wombacher, Maria Kirchenbaur, Ninja Braukmüller, Carsten Münker Geochimica et Cosmochimica ActaAvailable online 20 January 2023 LINK “Tin has ten stable isotopes, providing the opportunity to investigate and discriminate nucleosynthetic isotope anomalies from…
Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth − an outlook from iron meteorites
Damanveer S. Grewal, Paul D. Asimow Geochimica et Cosmochimica ActaAvailable online 20 January 2023 LINK “Disagreement regarding the origin of the bulk silicate Earth’s (BSE) superchondritic carbon/nitrogen (C/N) ratio is due, in part, to the…
Tracing the history of an unusual compound presolar grain from progenitor star to asteroid parent body hostOPEN ACCESS
Sheryl A. Singerling, Larry R. Nittler, Jens Barosch, Elena Dobrica, Adrian J. Brearley, Rhonda M. Stroud Accepted for publication in Geochimica et Cosmochimica Acta on January 17, 2023 PDF (OPEN ACCESS) “We conducted a TEM…