Our interstellar friend is behind the Sun (to observers on or near Earth). Good time to recap activity (emission of coma and tail(s)) so far: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2510.18769[Submitted on 21 Oct 2025]Jewitt, D. Luu, J. Pre-perihelion… Read More »First-Half ATLAS Activity Track
How did I (almost) miss this one. An entire issue of Elements has the theme of sample return: Elements, October 2025- vol. 21, #5 -, From the Editors p. 316 .21.5.316Barnes, J. J. Davidson, J. To See a World in… Read More »Sample Return Special Issue of Elements
Now posted, the Meteoritics & Planetary Science October (vol. 60 #10) issue: Rezes, D. Gyollai, I. Biri, S. et al. Comparison of three proton irradiated meteorite samples to better understand the solar wind-based space weathering Pgs 2297 maps.70038Suttle, M. D.… Read More »Note, Paper: Rock Blotter Waters
No less than Nature (actually Nature Astronomy, still within the Nature family) states: -, Big realities for small bodies 1407 s41550-025-02701-9 Couldn’t have put it better myself. This is an editorial introduction to the October issue (vol. 9), in which… Read More »“Big Realities for Small Bodies”
The issue of New Astronomy for December (vol. 121) includes: Borodin, V. I. Bubenchikov, M. A. Bubenchikov, A. M. et al. Complex rotations of the asteroid 45 Eugenia Art. 102458 .2025.102458 Binaries: once again, handy to have. The parent asteroid… Read More »Note, Paper: Triple System Blip
Not only are we characterizing interstellar object 3I/ATLAS, we’re going meta: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2510.13222[Submitted on 16 Oct 2025]Grant, S. R. Jones, G. H. Prospects for the Crossing of Comet 3I/ATLAS’s Ion Tail arxiv.org/abs/2510.11779[Submitted on 15 Oct… Read More »Chance ATLAS Plasma Catch?
The “issues” of Monthly Notices of the Royal Astronomical Society (MNRAS) for October are up: volume 542, #4 – volume 543, #1Li, Z. Qiao, D. Li, X. Spatial temporary capture in the Sun–planet three-body system Pgs 625 staf1430 volume 543,… Read More »Note, Paper: Planetary Particles Aplenty
The characterization continues. With the trajectory well-determined over a long arc, we check and recheck spectral bands and lines (therefore, compositions): Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2510.02817[Submitted on 7 Oct 2025]Coulson, I. M. Kuan, Y-J. Charnley, S. B. JCMT… Read More »3I Cyanide Multi-Time Described
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