Just in from JGR:Planets (Journal of Geophysical Research), vol. 130, #10: Onodera, K. Ino, Y. Tanaka, Satoshi et al. Elastic Properties of Returned Samples From Asteroid (162173) Ryugu Art. e2025JE008944 2025JE008944 Short version: the authors measured the stiffness of Ryugu grains, and… Read More »Note, Paper: Small-Bod Modulus Products
The 2025 GSA Connects meeting (Geological Society of America) is next week, Oct 19-22, San Antonio: https://connects.geosociety.org/ Some of my (biased) highlights from the agenda (admittedly, mostly terrestrial as you might guess): Pardee Keynote Symposia…Wednesday, 22 October-Impact Cratering and EvolutionP4.… Read More »GSA Connects meeting, 2025
The journal Vacuum takes us from pure science towards engineering for Dec (vol. 242): Wang, J. Zhang, R. Li, W. Study of sealing effect about the Shape Memory Alloy-based Knife-edge Seal System in extraterrestrial soil sample return mission 114731 .2025.114731… Read More »Note, Paper: Sample Capsule Trap Caps
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.