This week: a seminar/conference on the returned samples from Ryugu and Bennu, and their implications: https://www.hou.usra.edu/meetings/bennuryugu2025/ Bennu and Ryugu: Samples from the Early Solar System WorkshopOctober 7–9, Lunar and Planetary Institute, Houston On the (very rich) agenda (www.hou.usra.edu/meetings/bennuryugu2025/technical_program/): Tuesday, October… Read More »Bennu and Ryugu Samples Workshop
Before the month is out… MNRAS: Letters for September (vol. 542 #1) has one good letter: Zhu, K. Dai, B. Cao, X. et al. O–Fe–Ti isotopic evidence for classifying Oued Chebeika 002 as a CI chondrite and its genetic affinities with… Read More »Note, Paper: Meteo-Ry? Carbennutious?
The latest “issue” (all-digital) of Geochemical Perspectives Letters includes (17 Sep 2025- vol. 37): Wölfer, E. Hellmann, J. Burkhardt, C. et al. Ge, Te, and Zn isotopic link between Ryugu and CI chondrites P. 1 geochemlet.2537 A brief examination of… Read More »Note, Paper: Mod Vol Balls and Falls
September’s Meteoritics & Planetary Science (vol. 60 #9) is now up, plus a supplemental issue: Lee, M. R. Salge, T. Maclaren, I. Magnesium phosphate in the Cold Bokkeveld (CM2) carbonaceous chondrite P. 2017 maps.70018Vacher, L. G. Phan, V. T. H.… Read More »Note, Paper: Phos-Fact Post
The issue of Earth and Planetary Science Letters for 15 Oct (vol. 668) includes: Nakahashi, T. Miyahara, M. Yamaguchi, A. Experimental constrants on the shock history of CI chondrites and Ryugu grains Art 119559 .2025.119559 Shock manifests itself as crystal defects.… Read More »Note, Paper: Impact Crack Tracking
I forgot the mid-2025 Extraterrestrial Materials Analysis Group meeting is this whole week, but then again so did a lot of people. With all the upheaval- in policy and in ways and means- going on this year, the “May” meeting… Read More »“Spring” 2025 ExMAG Meeting
Recently accepted and posted by Nature– yes, Nature. 10 Sep 2025: Iizuka, T. Shibuya, T. Hayakawa, T. et al. Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu s41586-025-09483-0 Certain isotopes decay to known, stable, predictable… Read More »Note, Paper: Late Flow on Ryugu. FLOW.
In a few days: the “Cosmic Dust 15” meeting, in Osaka. https://www.cps-jp.org/~dust/Welcome.html Yes, dust. You know, the dust that is shed by comets, plus asteroids too (active asteroids, and the ejecta from impacts). The meteors you see in the night… Read More »Cosmic Dust Meeting 2025
More papers in PSJ (Planetary Science Journal), vol. 6 (2025)- they just keep posting: Scully, Jennifer E. C. et al. Leveraging Ceres to Gain Insights into the Candidate Ocean Worlds of Umbriel and Oberon That Orbit Uranus 187 adec97Vinogradoff, Vassilissa… Read More »Note, Paper: Rock-Objects Contexts
The joint Europlanet and AAS–DPS meeting, for this Tuesday (see also Day 1): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme Tuesday, 9 Sep SB10 Observing and modelling meteors in planetary atmospheres Cosmic dust in the heliosphere- Veerle Sterken CE4 Europlanet General Assembly TP8… Read More »2025 Joint EPSC-DPS Meeting, II