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Note, Paper: So Say PSJ

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Gotta keep up with Planetary Science Journal. In vol. 6 (2025): Bernstein, G. M. et al.  Determinations of Asteroid Masses Using Mutual Encounters Observed in the Legacy Survey of Space and Time  162  ade3deJackson, S. L. et al.  Thermal-IR Observations… Read More »Note, Paper: So Say PSJ

Dark “Comet”… Part Trois

Referencing Taylor et al. 2024: Aug 7  Jonathan O’Callaghan  The mysterious ‘dark comets’ prowling our Solar Systemwww.bbc.com/future/article/20250807-a-japanese-spacecraft-is-racing-toward-a-mysterious-dark-comet-to-discover-the-secrets-it-holds The BBC- usually pretty good on technical topics- has a nice writeup of our current state in “dark comets”- asteroids that show nongravitational… Read More »Dark “Comet”… Part Trois

Note, Paper: A&A Eleven Ways

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Wow, good Astronomy & Astrophysics for July (vol 699): Smirnov, E. A.  Chaotic diffusion and transient resonance captures of the near-Earth asteroid 2024 YR4  A26  202554489 Läuter, M. and Kramer, T.  Rotation dynamics and torque efficiency of cometary nuclei  A75 202553845… Read More »Note, Paper: A&A Eleven Ways

Note, Paper: PSJ Ten Ways

We’re due for a PSJ (Planetary Science Journal) (2025- vol. 6) update- way overdue, apparently: Helfenstein, P. Verbiscer, A. J.  On Error Estimates for Hapke Photometric Model Parameters from Disk-integrated Phase Curves of Airless Planetary Bodies  144  adcd5dLee, A. Kavelaars, J. J.… Read More »Note, Paper: PSJ Ten Ways

Note, Paper: Early-Disk Grit

In the illustrious journal Nature (well, Nature Communications) vol. 16: Genge, Matthew J. Almeida, Natasha V. van Ginneken, Matthias et al.  Abundant microchondrules in 162173 Ryugu suggest a turbulent origin for primitive asteroids  6466  s41467-025-61357-1 Yet again, I’ll state: most asteroids (the… Read More »Note, Paper: Early-Disk Grit