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
Everybody’s getting in on planetary science; LPSC was the first but is no longer the only game in ‘town’. The Planetary Science Conference 2025 starts tomorrow, Krakow, Poland, until Oct 25: https://mars.uj.edu.pl/index.php/planetary-science-conference/planetary-scienceconference-2025/ As per this blog, my pick of relevant… Read More »Polish Planetary Science Conference
Starting tomorrow: the 3rd Texas Area Planetary Science (TAPS) Meeting https://sites.google.com/view/tapsmeeting/home , October 23-24, UTSA, San Antonio Once again, my winnowing of the program, per the patch of this blog: https://sites.google.com/view/tapsmeeting/meeting-program Detailed Conference Schedule Poster Session 1Schmitz et al., From 25… Read More »Texas Area Planetary Science Meeting
Just up on Space Science Reviews site: Schönbächler, M. Bouvier, A. Kita, N. T. et al. Initial Conditions of Planet Formation: Time Constraints from Small Bodies and the Lifetime of Reservoirs in the Solar Protoplaneta… Art 97 s11214-025-01216-z I’ve said… Read More »Space Science Reviews… Solar System Birth
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
Geochemical Perspectives Letters is giving MAPS/GeCoA competition. In vol. 37: Siciliano Rego, E. Dauphas, N. Hopp, T. Consolidating the isotope trichotomy of planetary materials with new evidence P. 7 geochemlet.2538 What did the early Solar System look like? We can look… Read More »Note, Paper: Old-Time Nuclide Signs
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
The Japanese space agency (ISAS department) is hosting an open, online meeting on the OPENS mission proposal: www.isas.jaxa.jp/en/researchers/info/004084.htmlSep 17, 2025The First OPENS International Science Workshop (Sep 29-30, 2025/ Full Online) One would think probes to Saturn are beyond all but… Read More »Japanese OPENS Meeting Sep. 29-30
Briefly: The Astronomer’s Telegram posts quick, short, straightforward notices… like telegrams! ATel#17416 www.astronomerstelegram.org/?read=17416Farnham, T. L. Feaga, L. M. Ye, Q. et al. Observations of an Asymmetric CN Coma in Interstellar Comet 3I/ATLAS 23 Sep 2025; 19:02 UT Cyanide and cyano-compounds… Read More »3I Cyan-Active ATLAS
I want to quickly cover the Geochimica et Cosmochimica Acta for 15 Sep (vol. 405): Nakashima, D. Friedrich, J. M. Ott, U. Initial 244Pu/238U ratios and seach for presolar SiC in Ca-Al-rich inclusions from CV3 chondrite using noble gas and… Read More »Note, Paper: Isotope Exo-Motes