The characterization continues. With the trajectory well-determined over a long arc, we check and recheck spectral bands and lines (therefore, compositions): Astrophysics > Earth and Planetary Astrophysics arxiv.org/abs/2510.02817[Submitted on 7 Oct 2025]Coulson, I. M. Kuan, Y-J. Charnley, S. B. JCMT… Read More »3I Cyanide Multi-Time Described
The journal Vacuum takes us from pure science towards engineering for Dec (vol. 242): Wang, J. Zhang, R. Li, W. Study of sealing effect about the Shape Memory Alloy-based Knife-edge Seal System in extraterrestrial soil sample return mission 114731 .2025.114731… Read More »Note, Paper: Sample Capsule Trap Caps
This week: a seminar/conference on the returned samples from Ryugu and Bennu, and their implications: https://www.hou.usra.edu/meetings/bennuryugu2025/ Bennu and Ryugu: Samples from the Early Solar System WorkshopOctober 7–9, Lunar and Planetary Institute, Houston On the (very rich) agenda (www.hou.usra.edu/meetings/bennuryugu2025/technical_program/): Tuesday, October… Read More »Bennu and Ryugu Samples Workshop
Today, in Space Science Reviews (vol. 221): Bannister, M., Pfalzner, S., Pearce, T. et al. The Origins & Reservoirs of Exocomets 90 s11214-025-01219-w Coming on the heels of the Solar System in Context meeting (noirlab.edu/science/events/websites/solar-system-in-context-2025), we have a ‘comets in… Read More »Space Science Reviews Exocomets
Briefly: The Astronomer’s Telegram posts quick, short, straightforward notices… like telegrams! ATel#17416 www.astronomerstelegram.org/?read=17416Farnham, T. L. Feaga, L. M. Ye, Q. et al. Observations of an Asymmetric CN Coma in Interstellar Comet 3I/ATLAS 23 Sep 2025; 19:02 UT Cyanide and cyano-compounds… Read More »3I Cyan-Active ATLAS
September’s Meteoritics & Planetary Science (vol. 60 #9) is now up, plus a supplemental issue: Lee, M. R. Salge, T. Maclaren, I. Magnesium phosphate in the Cold Bokkeveld (CM2) carbonaceous chondrite P. 2017 maps.70018Vacher, L. G. Phan, V. T. H.… Read More »Note, Paper: Phos-Fact Post
The Europlanet-AAS Division for Planetary Science meeting for Friday, Sep. 12 (see also Mon, Tue, Wed, Thu): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme MITM10Laboratory experiments in support of ground observations and space missions (sample return, analogs, analytical workflow etc.) Low-temperature reflectance spectra of meteorites:… Read More »2025 Joint EPSC-DPS Meeting, V
The meeting for Thursday, Sep. 11 (see also Mon, Tue, Wed): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme MITM8Imagery, photometry, and spectroscopy of small bodies and planetary surfaces The potential of in-situ THz-spectroscopy to resolve the subsurface structure of Comets – Linus Stoeckli et al.… Read More »2025 Joint EPSC-DPS Meeting, IV
The annual EPSC-DPS meeting (held together this year) for Wednesday, Sep. 10 (see also Mon and Tue): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme SB15Computational and experimental astrophysics of small bodies and planets Exchange of ejected material between the terrestrial planets and the Moon – Sergei… Read More »2025 Joint EPSC-DPS Meeting, III
The joint Europlanet and AAS–DPS meeting, for this Tuesday (see also Day 1): https://www.epsc-dps2025.eu/ https://meetingorganizer.copernicus.org/EPSC-DPS2025/meetingprogramme Tuesday, 9 Sep SB10 Observing and modelling meteors in planetary atmospheres Cosmic dust in the heliosphere- Veerle Sterken CE4 Europlanet General Assembly TP8… Read More »2025 Joint EPSC-DPS Meeting, II