With 3I/ATLAS difficult to see in most telescopes, it’s a good time for theoretical astronomy: Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2510.26308[Submitted on 30 Oct 2025]Maggiolo, R. Dhooghe, F. Gronoff, G. Interstellar Comet 3I/ATLAS: Evidence for Galactic Cosmic Ray Processing arxiv.org/abs/2510.25945[Submitted on… Read More »3I Bi-Hypothesized
Happy Samhain, All Saints Day, etc. to all who celebrate. Speaking of things coming from Europe, good Astronomy & Astrophysics for October (vol. 702): Santana-Ros, T. Ivanova, O. Mykhailova, S. et al. Temporal evolution of the third interstellar comet 3I/ATLAS:… Read More »Note, Paper: You Shed Some, You Accrete Some
It’s the day before Halloween, but Space Sci Rev (vol. 221) makes it feel like Christmas: Horányi, M. Tucker, S. Sternovsky, Z. et al. Interstellar Dust Experiment (IDEX) OnboardNASA’s Interstellar Mapping And Acceleration Probe (IMAP) art. 102 s11214-025-01230-1Wang, Y. Zhang,… Read More »Space Science Reviews, …whew
Yesterday was Oct. 29, perihelion for 3I/ATLAS. That was the point in its trajectory (not orbit) when it was closest to the Sun. As the comet neared the Sun, it rose in temperature, and thus activity. That activity: Astrophysics >… Read More »3I Behind Prime Sky Light
Andreas Kaufer has been appointed the new Director General of ESO (European Southern Observatory), replacing Xavier Barcons, who had served for ~8 years. Kaufer first joined ESO as the VLT (Very Large Telescope) was in preparation. Now he oversees final… Read More »Drift Into Field, Drift Out of Field (Al Nagler…)
In November 1’s issue (vol. 993 #1) of Astrophysical Journal Letters: Farnocchia, D. Vokrouhlicky, D. Santana-Ros, T. et al. Radiation Forces and Trajectory of Hayabusa2# Target 1998 KY26 L9 ae10b8Salazar Manzano, L. E. Lin, H-W. Taylor, A. G. et al.… Read More »Note, Paper: Non-Pusher
Wow, what an Icarus issue for 15 Nov (vol. 441): Wesołowski, M. Bober, Z. Ożóg, Ł. et al. Is it possible to create a realistic structure of a cometary nucleus analog in the laboratory? Art. 116646Michikami, T. Hagermann, A. Statistical… Read More »Note, Paper: Stats And Smatterings Chatterings
This week’s Science (23 Oct 2025, vol. 390, #6771) proudly features: Andy Lawrence, Interstellar visitors: Smoking and nonsmoking aec2085 Not only was this editorial commissioned by the title (the flagship title of the Science family), but it was blurbed prominently… Read More »Billions and Billions of… Not-Stars
The latest (22 Oct 2025) Science Advances (vol. 11, #43) has: Srivastava, B. Izidoro, A. The late formation of chondrites as a consequence of Jupiter-induced gaps and rings ady4823 Given what we know about planet formation (including some meteoritic evidence,… Read More »Note, Paper: Jupiter Shooting-Star Scooper
Of late, in Planetary Science Journal (all vol.6): Salazar Manzano, L. E. Gerdes, D. W. Napier, K. J. et al. Prospects of a New L5 Trojan Flyby Target for the Lucy Mission 213 adf5c2Dorsey, R. C. Hopkins, M. J. Bannister,… Read More »Note, Paper: PSJ Particle Population Post