planetarygeomorphology.wordpress.comPlanetary Geomorphology Image of the MonthLobate Forms: Mass Movements Directly Linked to Impact Cratering Processes Craters have rims and floors. Sometimes, the rim collapses back onto the floor. And some of those times, the collapse is flowing and spreading, into… Read More »See Ceres Lee Scree
The Winter 2025 meeting of the AAS (American Astronomical Society), Jan 4-8, Phoenix, AZ, concludes soon: https://aas.org/meetings/aas247 Again, my cull of small-body-relevant agenda items. Most of the meeting is general astronomy, not small bodies or Solar System items: https://submissions.mirasmart.com/AAS247/Itinerary/EventsAAG.aspx See… Read More »AAS Winter 2026 Meeting, Three
Revisiting arXiv.org’s “archives”: Astrophysics > Instrumentation and Methods for Astrophysics arxiv.org/abs/2512.19763[Submitted on 20 Dec 2025]Jacobson-Bell, B. Croft, S. White, E. et al. Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz Spoiler alert: “We report a… Read More »3I’s Silent Sliding Findings
The journal Aerospace Science and Technology published “January” in eight parts, Part A-H. Yes, it’s a wide-ranging journal. The asteroid-relevant parts: Jan vol. 168 Part A Z. Sun, Z. Zhang, L. Cheng, et al. Guaranteed safety and stability neural guidance… Read More »Note, Paper: Fissured Collision Issue
Being in planetary science, let’s check in on Planetary Science Journal (2025, vol. 6): Kloos, J. L. Farnham, T. L. Sunshine, J. M. et al. Investigating Local- and Global-scale Dust Redistribution on Comet 67P/Churyumov-Gerasimenko 268 ae1739Collyer, C. Fernandez-Valenzuela, E. Ortiz,… Read More »Note, Paper: PSJ Spray Papers
The January Acta Astronautica was divided into Part A and B, don’t ask me why. Now, Part B (vol. 238, Jan 2026): Otsuki, M. Baba, M. Imada, T. et al. Exhaustive evaluation of microgravity landing dynamics for small body exploration Pg 1-12Ye,… Read More »Note, Paper: P-Defense, B
Hot on the heels of the last apparent comet discovery: http://www.cbat.eps.harvard.edu/iau/cbet/005600/CBET005648.txt We have multiple reports of an object with a coma and/or tail- therefore indicating activity, therefore indicating a comet. Except this “comet” orbits, to the precision of our measurements… Read More »*NEW* : Main-Belt Comet P/2025 W4 (Pan-STARRS)
In the Planetary And Space Science December 2025 issue (vol. 269): Gorshanov, D. L. Sokova, I. A. Petrova, S. N. et al. Testing the binarity of asteroid (720) Bohlinia using lightcurve analysis Art 106217 .2025.106217 We think there’s a satellite around… Read More »Note, Paper: Sat Anal Validated?
Just now on Space Sci Rev, vol. 221 (all of 2025): Hezel, D.C. Palme, H. Zipfel, J. et al. Evolution of the Solar System: Constraints from Meteorites – Editorial Art 125 s11214-025-01254-7 As with the previous editorial, this is more… Read More »Space Sci Rev: Solar Sys. Growth (meta…)
In ApJ (Astrophysical Journal) for Dec 1 2025 (vol. 994, #2): Huang, Z. Hirabayashi, M. Orlando, T. M. Micrometeoroid Impacts: Dual Pathways for Iron Reduction and Oxidation on Lunar and Asteroidal Surfaces 240 ae19e6Madeira, G. Morgado, B. E. Pereira, C. L.… Read More »Note, Paper: Particles Near and Far