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
Quickly, an Astronomers Telegram post on our little visitor: www.astronomerstelegram.org/?read=17473Pisano, D. J. Smirnov, O. M. Ivchenko, M. et al. Detection of 1665/1667 MHz OH absorption in 3I/ATLAS. ATel #17473, 4 Nov 2025; 10:28 UT Many molecules have spectral features in the far-infrared, submillimeter,… Read More »ATLAS Ast-Tel Gases
Now, the second half of the Hayabusa 2025 meeting, or “12th Symposium of Solar System Materials” November 11–14 in JAXA’s Sagamihara campus: https://curation.isas.jaxa.jp/symposium/ (see also Part I). And now, the relevant, best of the meeting program: https://curation.isas.jaxa.jp/symposium/program/ Nov. 13 S31-01 … Read More »Hayabusa Symposium 2025- Pt. II
In Nature Communications– no, not Nature Astronomy, NatComms- just a week ago (vol. 16): Pilorget, C. Okada, T. Bibring, J. P. et al. Bennu and Ryugu constituents from samples IR analyses and potential source of terrestrial planets’ ingredients p. 9532 … Read More »Note, Paper: Rain in Space Falls Mainly…
It’s time for Hayabusa 2025, or properly, the “12th Symposium of Solar System Materials” (November 11–14) at JAXA’s Sagamihara campus: https://curation.isas.jaxa.jp/symposium/ This is the annual meeting of sample return science, first held to discuss the results of Hayabusa’s newly-available sample… Read More »Hayabusa Symposium 2025- Pt. I
The Dec Acta Astronautica (vol. 237) has: Schonberg, W. Squire, M. Williamsen, J. et al. Enhancing the protection of shielded thermal protection systems in sample return spacecraft against MMOD impact p. 23 .2025.08.025Buonagura, C. Giordano, C. Cervone, A. et al.… Read More »Note, Paper: Probes… Literal Probes
…and for the volatile lovers: also 2025 (vol. 221): Dickers, M. D. Mifsud, D. V. Mason, N. J. Multiscale Perspectives on Solid-Phase Astrochemistry: Laboratory, Computation, and Open Questions art. 106 s11214-025-01228-9 We see gas and dust in space. The gas… Read More »SpaceSciRev: Dawn Frost Post
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
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