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3I/ATLAS Bi-‘Gram

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Posted to Astronomers’ Telegram last week, two more short reports: ATel #17503,  www.astronomerstelegram.org/?read=17503 Bolin, B. Wong, I. Lemaux, B. et al.  Gemini pre-perihelion detection of CN/C3/C2 gas emission and dust fans in interstellar comet 3I/ATLAS  on 20 Nov 2025; 02:37 UTATel #17502;  www.astronomerstelegram.org/?read=17502Ganesh,… Read More »3I/ATLAS Bi-‘Gram

Vera Rubin Update (Nov)

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The Vera Rubin Observatory is built, and preparing to start its Legacy Survey of Space and Time. These preparations, with early trials looking okay, are mainly fine tuning of optical parameters and data processes. But there’s a non-main process: targets… Read More »Vera Rubin Update (Nov)

NEO-Binzel New-Interview

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Now out in New Scientist, vol. 268 #3569: Richard Binzel, 15 November 2025  “We don’t want to keep an asteroid secret, because then no one ever trusts you”  p. 38 This week’s interview is with astronomer Richard (Rick) Binzel, well-known… Read More »NEO-Binzel New-Interview

Note, Paper: Impact Back-Calc

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In International Journal of Impact Engineering for November (volume 205): Kurosaki, K. Kurosawa, K. Arakawa, M.  Ejection angles during hypervelocity impacts on flat and spherical targets investigated with shock physics modeling  Art 105400  .2025.105400 DART! DART is the hypervelocity impact,… Read More »Note, Paper: Impact Back-Calc

New Blog: Planetary Research

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We’ve got a new blog, tied to a new journal title. The open-access journal Planetary Research will post its first issue in 2026. Related, the title has just got its blog up and running: https://blog.planetary-research.org/2025/11/14/introducing-the-planetary-research-blog/Introducing: The Planetary Research Blog Of… Read More »New Blog: Planetary Research

Timely Topic Talk Today

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Breaking: Dr. Bryce Bolin will give a talk today, on small bodies: asteroids, comets, and in particular extrasolar, interplanetary objects like 3I: https://griffithobservatory.org/event/all-space-considered-november-2025/ Dr. Bryce Bolin, Exploration of Interstellar Objects and Other Exotic Asteroids and Comets Dr. Bolin is a… Read More »Timely Topic Talk Today

Note, Paper: Comin’ In Hot

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The Jan Acta Astronautica (vol. 238, Part A) brings us: Yuan, X. Tian, Y. Cui, H. Autonomous spacecraft navigation via semantic probability map of natural features Pg 37-50Jin, J. Wen, K. Ke, F-W. et al. Influence of interface effects on shielding… Read More »Note, Paper: Comin’ In Hot

Interstellar Telegram-Slam (3I)

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New posts from Astronomers’ Telegram: www.astronomerstelegram.org/?read=17490Jewitt, D. Luu, J.  3I/ATLAS Still Single  ATel #17490;  11 Nov 2025; 19:55 UT www.astronomerstelegram.org/?read=17499Pisano, D. J. Smirnov, O. M. Ivchenko, M. et al.  Further MeerKAT observations of 1665/1667 MHz OH in absorption and emission, and a technosignature… Read More »Interstellar Telegram-Slam (3I)

PRIMA Phase A Ways Elaborated

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Posted in arXiv, a non-peer reviewed paper, by choice. These preprint servers are also handy for distribution of whitepapers, position papers, and reference works: [multiple fields] www.arxiv.org/pdf/2511.10927 Moullet, A. Burgarella, D. Kataria, T. et al.  PRIMA General Observer Science Book Volume… Read More »PRIMA Phase A Ways Elaborated