And now for a little change of venue. With the obvious exception of “mini-moons” (TCOs and TCFs) asteroid targets are in heliocentric orbits, and often at ranges measured in AUs. Round-trip light time is a few minutes, and it’s unrealistic… Read More »Note, Paper: A-Robot
In Nature Astronomy today (21 Oct.): Matthew A. Pasek, Ryugu’s unexpected phosphorus materials, s41550-024-02387-5 Not only was phosphate in asteroids significant (as I already blogged), but it’s news enough to have the journal Nature bring in an expert to give… Read More »Nature Review Piece- Yes, Nature
Some asteroids are active- shedding mass, like a comet. Bennu is one of them, observed by OSIRIS-REx to be ejecting pebbles to cobbles into space. Now, from the former Soviet, now Russian journal Solar System Research, for October 2024, vol.… Read More »Note, Paper: Activity Ahoy
Let’s take a little trip, a trip back to the young Solar System. In the 15 Nov Icarus (vol. 423): Serra, C. Vinogradoff, V. Danger, G. et al. Unexpected mineral impact on organic evolution durin… Art 116273 .2024.116273 Jenniskens, P.… Read More »Note, Paper: Solar System Soil and Seeds
It’s DPS time! The American Astronomical Society’s Division for Planetary Sciences is now holding their 56th annual meeting (#DPS2024), in Boise, ID. The general AAS meeting (every winter) is just…too…big, so the divisions hold sub-meetings. In odd-numbered years, DPS and… Read More »AAS DPS meeting, one
Is there something also happening at Science group, something positive? In Science Advances Vol. 10, Issue 39, two things positive: De Sanctis, M. C. Baratta, G. A. Brucato, J. R. et al. Recent replenishment of aliphatic organics on Ceres from… Read More »Note, Paper: Sci Adv, also Ad ast
Is something happening at Nature Group, something positive? Three days, four items in NatAstronomy: Pilorget, C. Baklouti, D. Bibring, J.-P. et al. 25 September 2024 Phosphorus-rich grains in Ryugu samples with major biochemical potential s41550-024-02366-w Bennu (via the OSIRIS-REx sample)… Read More »Note, Paper: Nature AWESOMY
The Astrophysical Journal doesn’t usually fall in my purview, except today. From vol. 973, September 20: Shoji, D. Reactive Molecular Dynamics Simulations of Micrometeoroid Bombardment for Space Weathering of Asteroid (162173) Ryugu art. 13 ad70b0 Ground telescopes had classed Ryugu… Read More »Note, Paper: Aquaphysical J
Yes, I know it was days ago and I’m falling behind. I said it was a big meeting, with lots of talks. TP9 Thu, 12 SepImpact Processes in the Solar System Chrysa Avdellidou; Co- Robert Luther, Elena Martellato, Isabel Herreros,… Read More »Europlanet. Sci. Congress 2024, Part Delta
I had spoken too soon about the August issue of Geochimica et Cosmochimica Acta. There was something there, something rather worthy. And here’s September, too: vol. 379 AugYui, H. Urashima, S.-h. Onose, M. et al. Pyrrhotites in asteroid 162173 Ryugu:… Read More »Note, Paper: Mea C. A.