Holding on to this paper in Nat Commun Earth Environ (vol. 6, 2025) Discenza, M. E. Brunetti, M. T. Molaro, L. et al. Evidence for landslides triggered by impact events on Ceres Art 1042 s43247-025-03119-x Impacts cause craters, no doubt.… Read More »Note, Paper: Bolide Rockslide Writeup
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
Now up from Space Science Reviews (vol. 222- 2026): Bell, J. F. Elkins-Tanton, L. Polanskey, C. A. The NASA Psyche Mission: The First up-CloseExploration of a Metal-Rich World 5 s11214-025-01255-6 This is one of Space Sci Rev’s “EditorialNotes”. As with… Read More »Space Science Reviews Psyche-Review
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)
Just discovered November (while we were feasting): a new Main-Belt comet. A typical comet comes out of the outer Solar System, then warms and activates when it reaches the inner Solar System. Not Main-Belters. These “comets” reside in the asteroid… Read More »*NEW* : Main-Belt Comet 2025 W3 (Kresken)
Starting roughly, oh… now, but peaking the night of Dec. 13-14 is the Geminid meteor shower. You know, the Geminids- fragments of, not a comet, but asteroid (3200) Phaethon? This asteroidal shower has an interesting origin story- or would that… Read More »Geminid Meteor Shower This Month
New in Space Science Reviews (2025, vol. 221): Tortora, P. Granmiga, E. Lasagni Manghi, R et al. The Radio Science Experiment on Hera, Juventus and Milani Art 124 s11214-025-01253-8 The Hera mission contains the CubeSats Juventus and Milani. The two… Read More »Space Science Reviews: Radio Three Europe
In the journal Geochimica et Cosmochimica Acta, 15 Nov (vol. 409): Jordan, F. Timms, N. E. Nakamura, T. et al. Asteroid Itokawa … but when and how did it form exactly? Pg. 178 .2025.09.020 Our first asteroid sample- not a meteorite, with… Read More »Note, Paper: Itokawa Hit(?), Argon
Now out from JGR:Plan (Journal of Geophysical Research: Planets) vol. 52, #21: Elder, C.M. Boulders on Bennu: Low Apparent Thermal Inertia Caused by Thermal FatigueFractures art. e2025GL116256 2025GL116256 We have samples returned from Bennu, but… grain sizes are mostly pebbles… Read More »Note, Paper: Geophysical NEO Fissure Vals
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