High-resolution observations of bright boulders on asteroid Ryugu: 1. Size frequency distribution and morphology
Chiho Sugimoto, Eri Tatsumi, Yuichiro Cho, Tomokatsu Morota, Rie Honda, Shingo Kameda, Yosuhiro, Yokota, Koki Yumoto, Minami Aoki, Daniella N. DellaGiustina, Tatsuhiro Michikami, Takahiro Hiroi, Deborah L. Domingue, Patrick Michel, Stefan E.Schröder, Tomoki Nakamura, Manabu…
Origin of ammoniated phyllosilicates on dwarf planet Ceres and asteroidsOPEN ACCESS
Santosh K. Singh, Alexandre Bergantini, Cheng Zhu, Marco Ferrari, Maria Cristina De Sanctis, Simone De Angelis & Ralf I. Kaiser Nature Communications, Volume 12, Article number: 2690 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The surface…
Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2’s Small Carry-on Impactor
Rie Honda, Masahiko Arakawa, Yuri Shimaki, Kei Shirai, Yasuhiro Yokota, Toshihiko Kadono, Koji Wada, Kazunori Ogawa, Ko Ishibashi, Naoya Sakatani, Satoru Nakazawa, Minami Yasui, Tomokatsu Morota, Shingo Kameda, Eri Tatsumi, Manabu Yamada, Toru Kouyama, Yuichiro…
Evidence from achondrites for a temporal change in Nd nucleosynthetic anomalies within the first 1.5 million years of the inner solar system formation
Paul Frossard, Zhiguo Guo, Mary Spencer, Maud Boyet, Audrey Bouvier Earth and Planetary Science LettersVolume 566, 15 July 2021 LINK “Highlights • Nd isotope composition of planetesimals-derived achondrites is different than planetary bodies (Earth, Mars…
Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar systemOPEN ACCESS
Yoshihiro Furukawa, Yoshinari Iwasa, Yoshito Chikaraishi Science Advances, 28 Apr 2021:Vol. 7, no. 18, eabd3575 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Solvent-soluble organic matter (SOM) in meteorites, which includes life’s building molecules, is suspected to originate…
Erosion of volatiles by micro-meteoroid bombardment on Ceres, and comparison to the Moon and MercuryOPEN ACCESS
Petr Pokorný, Erwan Mazarico, Norbert Schorghofer accepted to PSJ PDF (OPEN ACCESS) “(1) Ceres, the largest reservoir of water in the main-belt, was recently visited by the Dawn spacecraft that revealed several areas bearing H2O-ice…
Characterization of Exogenic Boulders on Near-Earth Asteroid (101955) Bennu from OSIRIS-REx Color ImagesOPEN ACCESS
Lucille Le Corre, Vishnu Reddy, William F. Bottke, Daniella N. DellaGiustina, Keara Burke, Jennifer Nolau, Robin B. Van Auken, Dathon R. Golish, Juan Sanchez, Jian-Yang Li, Christian d’Aubigny, Bashar Rizk, Dante Lauretta PDF (OPEN ACCESS)…
Origins of colors variability among C-cluster main-belt asteroidsOPEN ACCESS
Pierre Beck, Olivier Poch IcarusAvailable online: 21 April 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “Highlights • A C-type cluster is identified by an SDSS colors & albedo cluster analysis.• The C-cluster matches…
Meteoroids as One of the Sources for Exosphere Formation on Airless Bodies in the Inner Solar SystemOPEN ACCESS
Diego Janches, Alexey A. Berezhnoy, Apostolos A. Christou, Gabriele Cremonese, Takayuki Hirai, Mihály Horányi, Jamie M. Jasinski & Menelaos Sarantos Space Science Reviews, Volume 217, Article number: 50 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This…
Characterizing the spectral, microstructural, and chemical effects of solar wind irradiation on the Murchison carbonaceous chondrite through coordinated analyses
D.L. Laczniak, M.S. Thompson, R. Christoffersen, C.A. Dukes, S.J. Clemett, R.V. Morris, L.P. Keller IcarusIn Press, Journal Pre-proof, Available online 17 April 2021 LINK “Highlights • Solar wind irradiation of carbon-rich asteroids simulated using 1 keV/amu…
Ejecta distribution from impact craters on Ryugu: Possible origin of the bluer units
Naoyuki Hirata, Ren Ikeya IcarusIn Press, Journal Pre-proof, Available online 15 April 2021 LINK “Highlights • We calculated the distribution of ejecta blankets from actual craters on Ryugu.• Ejecta emplacement could explain the bluish color…
Composition of terrestrial exoplanet atmospheres from meteorite outgassing experimentsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Laura Schaefer, Jonathan J. Fortney, Toyanath Joshi & David Lederman Nature Astronomy , 1–11 LINK PDF (OPEN ACCESS) “Terrestrial exoplanets likely form initial atmospheres through outgassing during and after accretion,…
The Macroporosity of Rubble Pile Asteroid Ryugu and Implications for the Origin of ChondrulesOPEN ACCESS
William Herbst, James P. Greenwood, Teng Ee Yap Accepted for publication in the Planetary Science Journal PDF (OPEN ACCESS) “We use the known surface boulder-size distribution of the C-type rubble pile asteroid Ryugu (NEA 162173)…
Hayabusa2 Extended Mission: New Voyage to Rendezvous with a Small Asteroid Rotating with a Short PeriodOPEN ACCESS
M. Hirabayashi, Y. Mimasu, N. Sakatani, S. Watanabe, Y. Tsuda, T. Saiki, S. Kikuchi, T. Kouyama, M. Yoshikawa, S. Tanaka, S. Nakazawa, Y. Takei, F. Terui, H. Takeuchi, A. Fujii, T. Iwata, K. Tsumura, S….
Hydrodynamic instability at impact interfaces and planetary implicationsOPEN ACCESS
Avi Ravid, Robert I. Citron & Raymond Jeanloz Nature Communications, Volume 12 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Impact-induced mixing between bolide and target is fundamental to the geochemical evolution of a growing planet, yet aside…
Bennu’s global surface and two candidate sample sites characterized by spectral clustering of OSIRIS-REx multispectral imagesOPEN ACCESS
J. L. Rizos, J. de Leon, J. Licandro, D. R. Golish, H. Campins, E. Tatsumi, M. Popescu, D. N. DellaGiustina, M. Pajola, J.-Y. Li, K. J. Becker, D. S. Lauretta IcarusReceived 12-07-2020 / Accepted 04-02-2021…
A radiolytic origin of organic matter in primitive chondrites and trans-neptunian objects? New clues from ion irradiation experiments
Mathilde Faure, Eric Quirico, Alexandre Faure, Philippe Boduch, Hermann Rothard, Emmanuel Balanzat, Donia Baklouti, Rosario Brunetto, Lydie Bonal, Pierre Beck, Bernard Schmitt IcarusIn Press, Journal Pre-proof, Available online 3 April 2021 LINK “Highlights • Ion…
Early volatile depletion on planetesimals inferred from C–S systematics of iron meteorite parent bodiesOPEN ACCESS
Marc M. Hirschmann, Edwin A. Bergin, Geoff A. Blake, Fred J. Ciesla, and Jie Li PNAS March 30, 2021 118 (13) e2026779118 LINK (OPEN ACCESS)PDF (OPEN ACCESS) manuscript PDF (OPEN ACCESS) “During the formation of…
Quantitative estimates of impact induced crustal erosion during accretion and its influence on the Sm/Nd ratio of the Earth
L. Allibert, S. Charnoz, J. Siebert, S.A. Jacobson, S.N. Raymond IcarusIn Press, Journal Pre-proof, Available online 17 March 2021 LINK “Highlights • Terrestrial planets formation involve highly energetic collisions.• Collisional erosion of differentiated bodies may…
Hydrogen abundance estimation and distribution on (101955) Bennu
A. Praet, M.A. Barucci, B.E. Clark, H.H. Kaplan, A.A. Simon, V.E. Hamilton, J.P. Emery, E.S. Howell, L.F. Lim, X.-D. Zouh, J.-Y. Li, D.C. Reuter, F. Merlin, J.D.P. Deshapriya, S. Fornasier, P.H. Hasselmann, G. Poggiali, S….
Evidence for differentiation of the most primitive small bodiesOPEN ACCESS
B. Carry, P. Vernazza, F. Vachier, M. Neveu, J. Berthier J. Hanus, M. Ferrais, L. Jorda, M. Marsset, M. Viikinkoski, P. Bartczak, R. Behrend, Z. Benkhaldoun, M. Birlan, J. Castillo-Rogez, F. Cipriani, F. Colas, A….
A 4,565-My-old andesite from an extinct chondritic protoplanetOPEN ACCESS
Jean-Alix Barrat, Marc Chaussidon, Akira Yamaguchi, Pierre Beck, Johan Villeneuve, David J. Byrne, Michael W. Broadley, and Bernard Marty PNAS March 16, 2021 118 (11) LINK Update (6 May 2021): PDF (OPEN ACCESS) “The age…
Optical constants of a solar system organic analog and the Allende meteorite in the near and mid-infrared (1.5-13 μm)OPEN ACCESS
Jessica A. Arnold, Alycia J. Weinberger, George Cody, Gorden Videen, Olga Muñoz accepted for publication by PSJ PDF (OPEN ACCESS) “Measurements of visible and near-infrared reflection (0.38-5 μm) and mid to far infrared emission (5-200…
Crater shape as a possible record of the impact environment of metallic bodies: Effects of temperature, impact velocity and impactor densityOPEN ACCESS
Ryo Ogawa, Akiko M. Nakamura, Ayako Suzuki, Sunao Hasegawa Icarus, accepted PDF (OPEN ACCESS) “Metallic bodies that were the cores of differentiated bodies are sources of iron meteorites and are considered to have formed early…
Organic matter and water from asteroid ItokawaOPEN ACCESS
Q. H. S. Chan, A. Stephant, I. A. Franchi, X. Zhao, R. Brunetto, Y. Kebukawa, T. Noguchi, D. Johnson, M. C. Price, K. H. Harriss, M. E. Zolensky & M. M. Grady Scientific Reports 11…
Hybrid accretion of carbonaceous chondrites by radial transport across the Jupiter barrierOPEN ACCESS
Elishevah van Kooten, Martin Schiller, Frederic Moynier, Anders Johansen, Troels Haugboelle, Martin Bizzarro The Astrophysical Journal, 2021, accepted after peer-review PDF (OPEN ACCESS) Update (26 March 2021): The Astrophysical Journal, Volume 910, Number 1 LINK…
Mass and Density of Asteroid (16) PsycheOPEN ACCESS
Lauri Siltala, Mikael Granvik Submitted to ApJL PDF (OPEN ACCESS) “We apply our novel Markov-chain Monte Carlo (MCMC)-based algorithm for asteroid mass estimation to asteroid (16) Psyche, the target of NASA’s eponymous Psyche mission, based…
Visible-infrared spectroscopy of ungrouped and rare meteorites brings further constraints on meteorite-asteroid connectionsOPEN ACCESS
L. Krämer Ruggiu, P. Beck, J. Gattacceca, J. Eschrig IcarusIn Press, Journal Pre-proof, Available online 1 March 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “The composition of asteroids gives crucial insights into the…
Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion
Ke Zhu 朱柯, Frédéric Moynier, Martin Schiller, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Elishevah van Kooten, Martin Bizzarro Geochimica et Cosmochimica ActaAvailable online 27 February 2021 LINK “Chondrites are meteorites from undifferentiated…
129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements
Benoit Côté, Marius Eichler, Andrés Yagüe López, Nicole Vassh, Matthew R. Mumpower, Blanka Világos, Benjámin Soós, Almudena Arcones, Trevor M. Sprouse, Rebecca Surman, Marco Pignatari, Mária K. Pető, Benjamin Wehmeyer, Thomas Rauscher, Maria Lugaro Science,…
Space weathering of iron sulfides in the lunar surface environment
Toru Matsumoto, Takaaki Noguchi, Yu Tobimatsu, Dennis Harries, Falko Langenhorst, Akira Miyake, Hiroshi Hidaka Geochimica et Cosmochimica ActaAvailable online 19 February 2021 LINK “Highlights • Space weathering alters lunar iron sulfides and produces iron metal…
Precise initial abundance of Niobium-92 in the Solar System and implications for p-process nucleosynthesis
Makiko K. Haba, Yi-Jen Lai, Jörn-Frederik Wotzlaw, Akira Yamaguchi, Maria Lugaro, and Maria Schönbächler PNAS February 23, 2021 118 (8) LINK “The niobium-92–zirconium-92 (92Nb–92Zr) decay system with a half-life of 37 Ma has great potential…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for Earth-enstatite chondrite connection
Yoshinori Miyazaki, Jun Korenaga IcarusIn Press, Journal Pre-proof, Available online 19 February 2021 LINK “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key…
A pebble accretion model for the formation of the terrestrial planets in the Solar SystemOPEN ACCESS
Anders Johansen, Thomas Ronnet, Martin Bizzarro, Martin Schiller, Michiel Lambrechts, Åke Nordlund, Helmut Lammer Science Advances, 17 Feb 2021:Vol. 7, no. 8, eabc0444DOI: 10.1126/sciadv.abc0444 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Pebbles of millimeter sizes are abundant…
A long‐lived planetesimal dynamo powered by core crystallization
Clara Maurel, James F. J. Bryson, Jay Shah, Rajesh V. Chopdekar, L. T. Elkins‐Tanton, C. A. Raymond, Benjamin P. Weiss Geophysical Research LettersFirst published: 11 February 2021 LINK “The existence of numerous iron meteorite groups…
Host-star and exoplanet compositions: a pilot study using a wide binary with a polluted white dwarfOPEN ACCESS
Amy Bonsor, Paula Jofré, Oliver Shorttle, Laura K. Rogers, Siyi Xu, Carl Melis Monthly Notices of the Royal Astronomical SocietyPublished: 10 February 2021 LINK PDF (OPEN ACCESS) “Planets and stars ultimately form out of the…
Detection of a bolide in Jupiter’s atmosphere with Juno UVSOPEN ACCESS
Rohini S. Giles, Thomas K. Greathouse, Joshua A. Kammer, G. Randall Gladstone, Bertrand Bonfond, Vincent Hue, Denis C. Grodent, Jean‐Claude Gérard, Maarten H. Versteeg, Scott J. Bolton, John E. P. Connerney, Steven M. Levin Geophysical…
Alkali metals in white dwarf atmospheres as tracers of ancient planetary crustsOPEN ACCESS
Mark A. Hollands, Pier-Emmanuel Tremblay, Boris T. Gänsicke, Detlev Koester & Nicola Pietro Gentile-Fusillo Nature Astronomy (2021)Published: 11 February 2021 LINK PDF (OPEN ACCESS) “White dwarfs that accrete the debris of tidally disrupted asteroids provide…
Earth and Mars – distinct inner solar system products
Takashi Yoshizaki, William F. McDonough GeochemistryAvailable online 10 February 2021 LINK “Composition of terrestrial planets records planetary accretion, core-mantle and crust-mantle differentiation, and surface processes. Here we compare the compositional models of Earth and Mars…
Jetting during oblique impacts of spherical impactors
Shigeru Wakita, Brandon Johnson, C. Adeene Denton, Thomas M.Davison IcarusAvailable online: 8 February 2021 LINK “Highlights • We examine the efficiency of jetting during oblique impacts.• Oblique impacts produce more jetted ejecta than vertical impacts.•…
A Study of Chromium and Silicon Nitrides in Carbonaceous Chondrites
Leitner J., Vollmer C., Harries D., Kodolányi J., Ott U., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1878 PDF “We identified Si3N4 and CrN in metal-sulfide grains in a set of carbonaceous…
Hydrated Minerals on B-class Asteroids
Rivkin A. S., Howell E. S., Emery J. P., Richardson M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1945 PDF “B is for Bennu.” / Is that good enough for you? / Spectra disagree.”
Hydrothermal Ammoniation of Chondrites: Implications for Ceres
Izawa M. R. M., Koutoula E., Stancu M.-N., Yamashita S., Okuchi T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2247 PDF “Hydrothermal reactions between carbonaceous chondrites and ammonia-water solutions do not produce…
Inheritance of Meteoritic Isotopic Anomalies from a Zoned Protosolar Cloud
Jacquet E., Pignatale F. C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1042 PDF “Sequential infall from an isotopically zoned protosolar cloud created the range of isotopic compositions fossilized by CAIs. Bulk meteorites sample…
NRLEE Nucleosynthesis
Meyer B. S., Bermingham K. R., Frizzell K., Mezger K. 52nd Lunar and Planetary Science Conference (2021), Abstract #2598 PDF “NRLEEs are likely some sort of exploding white dwarf stars. They produce neutron-rich iron-group isotopes…
Isotopic Constraints on the Building Blocks of the Solar System
Bermingham K. R., Meyer B. S., Frizzell K., Mezger K. M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2107 PDF “Isotopic variations in meteorites coupled with new nucleosynthesis models are used to constrain the…
Producing Chondrules in the Outer Solar System: The Effect of Ice on Impact Jetting
Cashion M. D., Johnson B. C., Wakita S., Davison T., Krot A. N. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1737 PDF “In this work, we simulate collisions between bodies of mixed…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
Oxygen Isotope Reservoirs in the Solar Nebula
Mane P., Desch S. J., Dunham E. T., Williams C. D. 52nd Lunar and Planetary Science Conference 2021, abstract #2566 PDF
Magnetization of Large C-Type Asteroids: A Detectable Consequence of Pebble Accretion?
S. W. Courville, O’Rourke J. G., Castillo-Rogez J. C., Oran R., Weiss B. P. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2355 PDF “The theory of pebble accretion implies that large planetesimals…
Micro-FTIR Imaging and Spectroscopy of Experimentally Space Weathered CM2 Chondrite Murchison
T. D. Glotch, Thompson M. S., Dukes C. A., Loeffler M. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2004 PDF “Space weathered chondrite: / Micro-infrared data / Show lots of changes.”
Handling and Description of C-Type Asteroid Ryugu Samples Returned by Hayabusa2
T. Yada, Abe M., Nakato A., Yogata K., Miyazaki A. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2008 PDF “Hayabusa2 returned samples from C-type asteroid Ryugu last December. >5 grams of black…
Short Cosmic-Ray Exposure Ages of CI and CM Chondrites May Reflect Disintegration of Volatile-Rich Asteroids at Perihelion
E. R. D. Scott, Herzog G. F. 52nd Lunar and Planetary Science Conference (2021), Abstract #1833 PDF “Dark, volatile-rich asteroids seem to disintegrate near the Sun. This may explain why CM and CI chondrites have…
Do Water-Rich Carbonaceous Chondrites and the NEA Ryugu Share a Common Parent Body?
W. Neumann, Grott M., Trieloff M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1852 PDF “Properties of CI and CM parent bodies are investigated by fitting the carbonate formation temperature and age data with…
Understanding Space Weathering of Carbonaceous Asteroids Through H+ and He+ Ion Irradiation of the Murchison Meteorite
D. L. Laczniak, Thompson M. S., Christoffersen R., Dukes C. A., Clemett S. J.et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2361 PDF “Solar wind in the asteroid belt / Helium, hydrogen ions,…
Round up the unusual suspects: Near-Earth Asteroid 17274 (2000 LC16) a plausible D-type parent body of the Tagish Lake meteorite
Gordon M. Gartrelle, Paul S. Hardersen, Matthew R.M. Izawa, Matthew C. Nowinski IcarusIn Press, Journal Pre-proof, Available online 6 February 2021 LINK “Highlights • Spectral, visual, mathematical and Shkuratov radiative transfer analyses have determined near-Earth…
Mid-infrared reflectance spectroscopy of synthetic glass analogs for mercury surface studies
Andreas Morlok, Christian Renggli, Bernard Charlier, Maximilian P. Reitze, Stephan Klemme, Olivier Namur, Martin Sohn, Dayl Martin, Iris Weber, Leksandra N.Stojic, Harald Hiesinger, Katherine H.Joy, Roy Wogelius, Peter Tollan, Cristian Carli, Karin E. Bauch, Joern…
Ceres, a wet planet: The view after Dawn
Thomas B. McCorda, Jean-Philippe Combe, Julie C. Castillo-Rogez, Harry Y. McSween, Thomas H. Prettyman GeochemistryAvailable online 3 February 2021, 125745 LINK “Ceres, a nearly 1000-km diameter body located in the Solar System’s main asteroid belt,…
The aqueous alteration of CM chondrites, a review
M.D. Suttle, A.J. King, P.F. Schofield, H.Bates, S.S. Russell Geochimica et Cosmochimica ActaAvailable online 2 February 2021 LINK “The CM chondrites are samples of primitive water-rich asteroids formed during the early solar system. They record…
Improved method of hydrous mineral detection by latitudinal distribution of 0.7-μm surface reflectance absorption on the asteroid Ryugu
Shingo Kameda, Yasuhiro Yokota, Toru Kouyama, Eri Tatsumi, Marika Ishida, Tomokatsu Morota, Rie Honda, Naoya Sakatani, Manabu Yamada, Moe Matsuoka, Hidehiko Suzuki, Yuichiro Choe, Masahiko Hayakawa, Chikatoshi Honda, Hirotaka Sawada, Kazuo Yoshioka, Kazunori Ogawa, Seiji…
Cohesion of regolith: Measurements of meteorite powdersOPEN ACCESS
Yuuya Nagaashi, Takanobu Aoki, Akiko M. Nakamura Accepted for publication in Icarus PDF (OPEN ACCESS) Update (6 February 2021): LINK “The cohesion of particles has a significant effect on the properties of small bodies. In…
Primordial porous structure of chondrite parent bodies due to self-gravityOPEN ACCESS
Tomomi Omura, Akiko M. Nakamura Accepted for publication in The Planetary Science Journal PDF (OPEN ACCESS) “The porosity of an asteroid is important when studying the evolution of our solar system through small bodies and…
Implications of High Polarization Degree for the Surface State of RyuguOPEN ACCESS
Daisuke Kuroda, Jooyeon Geem, Hiroshi Akitaya, Sunho Jin, Jun Takahashi, Koki Takahashi, Hiroyuki Naito, Kana Makino, Tomohiko Sekiguchi, Yoonsoo P. Bach, Jinguk Seo, Shuji Sato, Hiroshi Sasago, Koji S. Kawabata, Aoi Kawakami, Miyako Tozuka, Makoto…
Space Weathering within C-Complex Main Belt Asteroid FamiliesOPEN ACCESS
Cristina A. Thomas, David E. Trilling, Andrew S. Rivkin, Tyler Linder to be published in the Astronomical Journal PDF (OPEN ACCESS) “Using data from the Sloan Digital Sky Survey Moving Object Catalog, we study color…
Bifurcation of planetary building blocks during Solar System formationOPEN ACCESS
Tim Lichtenberg, Joanna Dra̧żkowska, Maria Schönbächler, Gregor J. Golabek, Thomas O. Hands Science, 22 Jan 2021Vol. 371, Issue 6527, pp. 365-370 PDF (OPEN ACCESS) Published 21 January 2021; authors’ version LINK Supplementary Materials (PDF) “Geochemical…
A very early origin of isotopically distinct nitrogen in inner Solar System protoplanets
Damanveer S. Grewal, Rajdeep Dasgupta & Bernard Marty Nature Astronomy (2021) LINK “Understanding the origin of life-essential volatiles such as nitrogen (N) in the Solar System and beyond is critical to evaluate the potential habitability…
Salt – A critical material to consider when exploring the solar system
M.R.M. Izawa, P.L. King, P. Vernazza, J.A. Berger, W.A. McCutcheon IcarusAvailable online 20 January 2021 LINK “Highlights • Mid-IR spectra of mixtures of salt and E, C, and O chondrites are reported.• Intimate mixtures of…
Fe‐redox changes in Itokawa space‐weathered rimsOPEN ACCESS
L. J. Hicks, J. C. Bridges, T. Noguchi, A. Miyake, J. D. Piercy, S. H. Baker Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Synchrotron Fe‐K X‐ray absorption…
Calathus: A sample-return mission to Ceres
Oriane Gassot, Paolo Panicucci, Giacomo Acciarini, Helena Bates, Manel Caballero, Pamela Cambianica, Maciej Dziewiecki, Zelia Dionnet, Florine Enengl, Selina-Barbara Gerig, Felix Hessinger, Lucy Kissick, Moritz Novak, Carmine Pellegrino, Angèle Pontoni, Tânia M.Ribeiro, Clemens Riegler, Nini…
Nickel isotopic evidence for late-stage accretion of Mercury-like differentiated planetary embryosOPEN ACCESS
Shui-Jiong Wang, Wenzhong Wang, Jian-Ming Zhu, Zhongqing Wu, Jingao Liu, Guilin Han, Fang-Zhen Teng, Shichun Huang, Hongjie Wu, Yujian Wang, Guangliang Wu & Weihan Li Nature Communications, Volume 12, Article number: 294 (2021) LINK (OPEN…
Dwarf planet (1) Ceres surface bluing due to high porosity resulting from sublimationOPEN ACCESS
Stefan E. Schröder, Olivier Poch, Marco Ferrari, Simone De Angelis, Robin Sultana, Sandra M. Potin, Pierre Beck, Maria Cristina De Sanctis & Bernard Schmitt Nature Communications 12 , 1–9 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The…
Heating events in the nascent solar system recorded by rare earth element isotopic fractionation in refractory inclusionsOPEN ACCESS
J. Y. Hu, N. Dauphas, F. L. H. Tissot, R. Yokochi, T. J. Ireland, Z. Zhang, A. M. Davis, F. J. Ciesla, L. Grossman, B. L. A. Charlier, M. Roskosz, E. E. Alp, M. Y….
Thermally altered subsurface material of asteroid (162173) Ryugu
K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, Y. Takagi, T. Nakamura, T. Hiroi, M. Matsuoka, L. Riu, Y. Nakauchi, K. Tsumura, T. Arai, H. Senshu, N. Hirata, M. A….
History of the solar nebula from meteorite paleomagnetismOPEN ACCESS
Benjamin P. Weiss, Xue-Ning Bai and Roger R. Fu Science Advances 01 Jan 2021:Vol. 7, no. 1, eaba5967DOI: 10.1126/sciadv.aba5967 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials “We review recent advances in our understanding of magnetism…
Organic Material on Ceres: Insights from Visible and Infrared Space ObservationsOPEN ACCESS
Andrea Raponi, Maria Cristina De Sanctis, Filippo Giacomo Carrozzo, Mauro Ciarniello, Batiste Rousseau, Marco Ferrari , Eleonora Ammannito, Simone De Angelis, Vassilissa Vinogradoff, Julie C. Castillo-Rogez, Federico Tosi, Alessandro Frigeri, Michelangelo Formisano, Francesca Zambon, Carol…
Al‐Mg isotopic study of spinel‐rich fine‐grained CAIs
Glenn J. MacPherson, Alexander N. Krot, Kazuhide Nagashima Meteoritics & Planetary ScienceFirst published: 23 December 2020 LINK “High‐precision SIMS analyses of seven spinel‐rich fine‐grained CAIs from the CV3 chondrites Efremovka, Kaba, and Vigarano and the…
Formation of Venus, Earth and Mars: Constrained by Isotopes
Helmut Lammer, Ramon Brasser, Anders Johansen, Manuel Scherf & Martin Leitzinger Space Science ReviewsPublished: 22 December 2020 LINKUpdate (12 February 2021); PDF (OPEN ACCESS) “Here we discuss the current state of knowledge of terrestrial planet…
Meteoritic evidence for a Ceres-sized water-rich carbonaceous chondrite parent asteroid
V. E. Hamilton, C. A. Goodrich, A. H. Treiman, H. C. Connolly Jr, M. E. Zolensky & M. H. Shaddad Nature Astronomy (2020)Published: 21 December 2020 LINK “Carbonaceous chondrite meteorites record the earliest stages of…
Nature of bright C-complex asteroidsOPEN ACCESS
Sunao Hasegawa, Toshihiro Kasuga, Fumihiko Usui, Daisuke Kuroda accepted for publication in PASJ PDF (OPEN ACCESS) “Most C-complex asteroids have albedo values less than 0.1, but there are some high-albedo (bright) C-complex asteroids with albedo…
Spectral analysis of craters on (101955) Bennu
J.D.P. Deshapriya, M.A. Barucci, E.B. Bierhaus, S. Fornasier, P.H. Hasselmann, F. Merlin, B.E. Clark, A. Praet, M. Fulchignoni, A.A. Simon, Victoria E. Hamilton, E.A. Cloutis, C. Lantz, X.D. Zou, J.-Y. Li, D.C. Reuter, J.R. Brucato,…
Assessment of Cr isotopic heterogeneities of volatile-rich asteroids based on multiple planet formation modelsOPEN ACCESS
Ryota Fukai, Sota Arakawa accepted for publication in The Astrophysical Journal (Volume 908, Number 1) PDF (OPEN ACCESS) Update (15 February 2021): LINK “Describing the comprehensive evolutionary scenario for asteroids is key to explaining the…
Isotopic signatures as tools to reconstruct the primordial architecture of the Solar System
Jan Render, Gregory A. Brennecka Earth and Planetary Science LettersAvailable online 10 December 2020 LINK “Highlights • Angrites and eucrites exhibit nucleosynthetic anomalies in Nd and Zr isotopes.• These isotopic signatures are consistent with deficits…
Spectral characterization of the craters of Ryugu as observed by the NIRS3 instrument on-board Hayabusa2
L. Riu, C. Pilorget, R. Milliken, K. Kitazato, T. Nakamura, Y. Cho, M. Matsuoka, S. Sugita, M. Abe, S. Matsuura, M. Ohtake, S. Kameda, N. Sakatani, E. Tatsumi, Y. Yokota, T. Iwata IcarusIn Press, Journal…
Thermal emission measurements of ordinary chondrite mineral analogs in a simulated asteroid environment: 2. Representative mineral mixtures
Michael S. Bramble, Ralph E. Milliken, William R. Patterson IcarusIn Press, Journal Pre-proof, Available online 8 December 2020 LINK “Highlights • The thermal emission of mineral mixtures was analyzed in a simulated asteroid environment.• The…
Spin evolution of Ceres and Vesta due to impacts
Xiaochen Mao, William B. McKinnon Meteoritics & Planetary ScienceVersion of Record online: 05 December 2020 LINK “All asteroid spins evolve due to collisions. Geophysical analysis (Mao and McKinnon 2018b) implies Ceres might have been modestly…
Arrival and magnetization of carbonaceous chondrites in the asteroid belt before 4562 million years agoOPEN ACCESS
Timothy O’Brien, John A. Tarduno, Atma Anand, Aleksey V. Smirnov, Eric G. Blackman, Jonathan Carroll-Nellenback & Alexander N. Krot Communications Earth & Environment, Volume 1, Article number: 54 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteorite…
Nucleosynthesis of an 11.8 M ⊙ Supernova with 3D Simulation of the Inner Ejecta: Overall Yields and Implications for Short-lived Radionuclides in the Early Solar System
A. Sieverding, B. Müller, and Y.-Z. Qian The Astrophysical Journal, Volume 904, Number 2Published: 1 December 2020 LINK “Based on a 3D supernova simulation of an 11.8 M ⊙ progenitor model with an initial solar…
Spectrophotometric analysis of the Ryugu rock seen by MASCOT: Searching for a carbonaceous chondrite analogOPEN ACCESS
Stefan Schröder, Katharina Otto, Hannah Scharf, Klaus-Dieter Matz, Nicole Schmitz, Frank Scholten, Stefano Mottola, Frank Trauthan, Alexander Koncz, Harald Michaelis, Ralf Jaumann, Tra-Mi Ho, Hikaru Yabuta, Seiji Sugita Submitted to Planetary Science Journal PDF (OPEN…
Variable refractory lithophile element compositions of planetary building blocksOPEN ACCESS
Takashi Yoshizaki, Richard D. Ash, Marc D. Lipella, Tetsuya Yokoyama, William F. McDonough PDF (OPEN ACCESS) “Chondrites are undifferentiated sediments of materials left over from the earliest stage of the solar system history, and are…
Early solar system aqueous activity: K isotope evidence from Allende
Yun Jiang, Piers Koefoed, Olga Pravdivtseva, Heng Chen, Chun‐Hui Li, Fang Huang, Li‐Ping Qin, Jia Liu, Kun Wang Meteoritics & Planetary ScienceVersion of Record online: 24 November 2020 LINK “The alkali element K is moderately…
Observational constraints on the likelihood of 26Al in planet-forming environmentsOPEN ACCESS
Megan Reiter accepted to A&A Letters PDF (OPEN ACCESS) “Recent work suggests that 26Al may determine the water budget in terrestrial exoplanets as its radioactive decay dehydrates planetesimals leading to rockier compositions. Here I consider…
Phase reddening on asteroid Bennu from visible and near-infrared spectroscopyOPEN ACCESS
S. Fornasier, P. H. Hasselmann, J. D. P Deshapriya, M. A. Barucci, B. E. Clark, A. Praet, V. E. Hamilton, A. Simon, J-Y. Li, E. A. Cloutis, F. Merlin, X-D. Zou, D. S. Lauretta Astronomy…
The NC-CC Isotope Dichotomy: Implications for the Chemical and Isotopic Evolution of the Early Solar System
Katherine R. Bermingham, Evelyn Füri, Katharina Lodders & Bernard Marty Space Science Reviews, Volume 216, Article number: 133 (2020) LINK “Understanding the formation of our planetary system requires identification of the materials from which it…
Astronomical context of Solar System formation from molybdenum isotopes in meteorite inclusions
Gregory A. Brennecka, Christoph Burkhardt, Gerrit Budde, Thomas S. Kruijer, Francis Nimmo, Thorsten Kleine Science 13 Nov 2020:Vol. 370, Issue 6518, pp. 837-840DOI: 10.1126/science.aaz8482 LINK “Calcium-aluminum–rich inclusions (CAIs) in meteorites are the first solids to…
Oxygen-isotope systematics of chondrules and olivine fragments from Tagish Lake C2 chondrite: Implications of chondrule-forming regions in protoplanetary diskOPEN ACCESS
Takayuki Ushikubo, Makoto Kimura Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 12 November 2020 LINK (OPEN ACCESS) “Highlights: • Oxygen isotopic systematics of chondrules and olivine fragments of Tagish Lake meteorite were studied.•…
Photometry of asteroid (101955) Bennu with OVIRS on OSIRIS-REx
Xiao-Duan Zou, Jian-Yang Li, Beth E. Clark, Dathon R. Golish, Salvatore Ferrone, Amy A. Simon, Dennis C. Reuter, Deborah L. Domingue, Hannah Kaplan, Maria Antonietta Barucci, Sonia Fornasiere, Alice Praet, Pedro Henrique Hasselmann, Carina Bennett,…
A probabilistic approach to determination of Ceres’ average surface composition from Dawn VIR and GRaND dataOPEN ACCESS
H. Kurokawa, B. L. Ehlmann, M. C. De Sanctis, M. G. A. Lapôtre, T. Usui, N. T. Stein, T. H. Prettyman, A. Raponi, M. Ciarniello accepted for publication in JGR: Planets PDF (OPEN ACCESS) “The…
New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn press, journal pre-proof, Available online 1 November 2020 LINK “26Al-26Mg ages were determined for 14 anorthite-bearing chondrules from five different unequilibrated ordinary…
Network of thermal cracks in meteorites due to temperature variations: new experimental evidence and implications for asteroid surfaces
Guy Libourel, Clément Ganino, Marco Delbo, Mathieu Niezgoda, Benjamin Remy, Lionel Aranda, Patrick Michel Monthly Notices of the Royal Astronomical Society,Published: 22 October 2020 LINK “In recent years several studies have shown the importance of…
Bennu’s near-Earth lifetime of 1.75 million years inferred from craters on its boulders
R.-L. Ballouz, K. J. Walsh, O. S. Barnouin, D. N. DellaGiustina, M. Al Asad, E. R. Jawin, M. G. Daly, W. F. Bottke, P. Michel, C. Avdellidou, M. Delbo, R. T. Daly, E. Asphaug, C….
Microporosity and parent body of the rubble-pile NEA (162173) Ryugu
Wladimir Neumann, Matthias Grott, Mario Trieloff, Ralf Jaumann, Jens Biele, Maximilian Hamm, Ekkehard Kührt IcarusIn press, journal pre-proof, Available online 24 October 2020 LINK “Highlights • We investigate the porosity for ice-rich planetesimals of the…
Primary crystallization and partial remelting of chondrules in the protoplanetary disk: Petrographic, mineralogical and chemical constraints recorded in zoned type-I chondrulesOPEN ACCESS
J. Pape, Å.V. Rosén, K. Mezger, M. Guillong Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 October 2020 LINK (OPEN ACCESS) “Chondrules from unequilibrated ordinary chondrites are among the oldest Solar system materials…
Motion of Dust Ejected from the Surface of Asteroid (101955) BennuOPEN ACCESS
Yu Jiang, Jürgen Schmidt Heliyon (2020) PDF (OPEN ACCESS) “From Jan. 6, 2019 to Feb. 18, 2019, OSIRIS-REx observed asteroid (101955) Bennu ejecting 11 plumes of dust, of which part is escaping and another part…
Oxygen isotopic heterogeneity in the early Solar System inherited from the protosolar molecular cloudOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, James R. Lyons, Jeong-Eun Lee, Martin Bizzarro Science Advances 16 Oct 2020:Vol. 6, no. 42, eaay2724DOI: 10.1126/sciadv.aay2724 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Sun is 16O-enriched (Δ17O = −28.4 ±…
Mass-independent and mass-dependent Cr isotopic composition of the Rumuruti (R) chondrites: Implications for their origin and planet formation
Ke Zhu (朱柯), Frédéric Moynier, Martin Schiller, Conel M. O’D. Alexander, Jean-Alix Barrat, Addi Bischoff, Martin Bizzarro Geochimica et Cosmochimica ActaIn Press, Corrected Proof, Available online 15 October 2020 LINK “Chromium (Cr) isotopes play an…
Widespread carbon-bearing materials on near-Earth asteroid (101955) Bennu
Amy A. Simon, Hannah H. Kaplan, Victoria E. Hamilton, Dante S. Lauretta, Humberto Campins, Joshua P. Emery, M. Antonietta Barucci, Daniella N. DellaGiustina, Dennis C. Reuter, Scott A. Sandford, Dathon R. Golish, Lucy F. Lim,…
Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history
H. H. Kaplan, D. S. Lauretta, A. A. Simon, V. E. Hamilton, D. N. DellaGiustina, D. R. Golish, D. C. Reuter, C. A. Bennett, K. N. Burke, H. Campins, H. C. Connolly Jr., J. P….
Variations in color and reflectance on the surface of asteroid (101955) Bennu
D. N. DellaGiustina, K. N. Burke, K. J. Walsh, P. H. Smith, D. R. Golish, E. B. Bierhaus, R.-L. Ballouz, T. L. Becker, H. Campins, E. Tatsumi, K. Yumoto, S. Sugita, J. D. Prasanna Deshapriya,…
Heterogeneous mass distribution of the rubble-pile asteroid (101955) BennuOPEN ACCESS
D. J. Scheeres, A. S. French, P. Tricarico, S. R. Chesley, Y. Takahashi, D. Farnocchia, J. W. McMahon, D. N. Brack, A. B. Davis, R.-L. Ballouz, E. R. Jawin, B. Rozitis, J. P. Emery, A….
Asteroid (101955) Bennu’s weak boulders and thermally anomalous equatorOPEN ACCESS
B. Rozitis, A. J. Ryan, J. P. Emery, P. R. Christensen, V. E. Hamilton, A. A. Simon, D. C. Reuter, M. Al Asad, R.-L. Ballouz, J. L. Bandfield, O. S. Barnouin, C. A. Bennett, M….
Hemispherical differences in the shape and topography of asteroid (101955) BennuOPEN ACCESS
M. G. Daly, O. S. Barnouin, J. A. Seabrook, J. Roberts, C. Dickinson, K. J. Walsh, E. R. Jawin, E. E. Palmer, R. Gaskell, J. Weirich, T. Haltigin, D. Gaudreau, C. Brunet, G. Cunningham, P….
Modeling optical roughness and first-order scattering processes from OSIRIS-REx color images of the rough surface of asteroid (101955) BennuOPEN ACCESS
Pedro H. Hasselmann, Sonia Fornasier, Maria A. Barucci, Alice Praet, Beth E. Clark, Jian-Yang Li, Dathon R. Golish, Daniella N. Della Giustina, Jasinghege Don P. Deshapriya, Xian-Duan Zou, Mike G. Daly, Olivier S. Barnouin, Amy…
The surface of (1) Ceres in visible light as seen by Dawn/VIROPEN ACCESS
B. Rousseau, M. C. De Sanctis, A. Raponi, M. Ciarniello, E. Ammannito, A. Frigeri, M. Ferrari, S. De Angelis, F. Tosi, S. E. Schröder, C. A. Raymond, C. T. Russell A&A 642, A74 (2020)Published online…
Visible and near-infrared reflectance of hyperfine and Hyperporous particulate surfaces
R. Sultana, O. Poch, P. Beck, B. Schmitt, E. Quiricoa IcarusIn Press, Journal Pre-proof, Available online 5 October 2020 LINK “Highlights • A protocol for production of sub-μm grains in hyperporous surfaces was developed• Reflectance…
Bennu regolith mobilized by TAGSAM: Expectations for the OSIRIS-REx sample collection event and application to understanding naturally ejected particles
E.B. Bierhaus, J.T. Songer, B.C. Clark, R.D. Dubisher, S.L. Deden, K.S. Payne, D. Wurts, J.W. McMahon, B.Rozitis, D.S.Lauretta IcarusIn Press, Journal Pre-proof, Available online 5 October 2020 LINK “Highlights • The OSIRIS-REx sampling system will…
A high-resolution normal albedo map of asteroid (101955) Bennu
D.R. Golish, N.K. Shultz, T.L. Becker, K.J. Becker, K.L. Edmundson, D.N. DellaGiustina, C. Drouet d’Aubigny, C.A. Bennett, B. Rizk, O.S. Barnouin, M.G. Daly, J.A. Seabrook, L. Philpott, M.M. Al Asad, C.L. Johnson, J.-Y. Li, R.-L….
The formation of H2O and Si-OH by H2+ irradiation in major minerals of carbonaceous chondrites
Yusuke Nakauchi, Masanao Abe, Makiko Ohtake, Toru Matsumoto, Akira Tsuchiyama, Kohei Kitazato, Keisuke Yasuda, Kohtaku Suzuki, Yoshinori Nakata IcarusIn Press, Journal Pre-proof, Available online 3 October 2020 LINK “Highlights • We report the spectral modification…
The formation of the cold classical Kuiper Belt by a short range transport mechanism
Rodney Gomes IcarusAvailable online 2 October 2020, 114121 LINK “Highlights • The Cold Classical Kuiper Belt is usually believed to be formed in situ.• I propose a scenario by which the Cold Classical Kuiper Belt…
“Water” abundance at the surface of C-complex main-belt asteroidsOPEN ACCESS
Pierre Beck, Jolantha Eschrig, Sandra Potin, Trygve Prestgard, Lydie Bonal, Eric Quirico, Bernard Schmitt IcarusIn Press, Journal Pre-proof, Available online 1 October 2020 LINK PDF (OPEN ACCESS) “Highlights • Quantification of equivalent water in CC…
The vanadium isotope composition of Mars: implications for planetary differentiation in the early solar systemOPEN ACCESS
S.G. Nielsen, D.V. Bekaert, T. Magna, K. Mezger, M. Auro Geochem. Persp. Let. (2020) 15, 35–39 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The V isotope composition of martian meteorites reveals that Bulk Silicate Mars (BSM) is…
Carbon isotope evidence for the substrates and mechanisms of prebiotic synthesis in the early solar system
L. Chimiak, J.E. Elsila, B. Dallas, J.P. Dworkin, J.C. Aponte, A.L. Sessions, J.M. Eiler Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 September 2020 LINK “Meteorites contain prebiotic, bio-relevant organic compounds including amino…
Global-scale albedo and spectro-photometric properties of Ryugu from NIRS3/Hayabusa2, implications for the composition of Ryugu and the representativity of the returned samples
C. Pilorget, J. Fernando, L. Riu, K. Kitazato, T. Iwata IcarusIn Press, Journal Pre-proof, Available online 29 September 2020 LINK “Highlights • We use a Bayesian approach to derive the photometric parameters from NIRS3 data.•…
Rocklines as Cradles for Refractory Solids in the Protosolar Nebula
Artyom Aguichine, Olivier Mousis, Bertrand Devouard, Thomas Ronnet The Astrophysical Journal, Volume 901, Number 2Published 2020 September 25 LINK “In our solar system, terrestrial planets and meteoritical matter exhibit various bulk compositions. To understand this…
Copper in ordinary chondrites: Proxies for resource potential of asteroids and constraints for minimum-invasive and economically efficient exploitationOPEN ACCESS
Katarzyna Łuszczek, Agata M. Krzesińska Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 22 September 2020 LINK (OPEN ACCESS) “Highlights • S-type asteroids contain 70-100 ppm Cu, in FeNi-alloy and native-Cu mineral.• Native copper…
Exogenic basalt on asteroid (101955) Bennu
D. N. Della Giustina, H. H. Kaplan, A. A. Simon, W. F. Bottke, C. Avdellidou, M. Delbo, R.-L. Ballouz, D. R. Golish, K. J. Walsh, M. Popescu, H. Campins, M. A. Barucci, G. Poggiali, R….
Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrulesOPEN ACCESS
Jonas M. Schneider, Christoph Burkhardt, Yves Marrocchi, Gregory A. Brennecka, Thorsten Kleine Submitted to EPSL on Jan 29 2020, accepted in revised form Sep. 12 2020 PDF (OPEN ACCESS) Erratum to “Early evolution of the…
Structure of type A CAI-like melts: A view from multi-nuclear NMR study of melilite (Ca2Al2SiO7-Ca2MgSi2O7) glasses
Sun Young Park, Changkun Park, Hyun Na Kim, Seoyoung Lee, Sung Keun Lee Chemical GeologyIn Press, Journal Pre-proof, Available online 16 September 2020 LINK “Highlights • The coordination number of Al in melilite glasses and…
Did a Complex Carbon Cycle Operate in the Inner Solar System?OPEN ACCESS
Joseph A. Nuth, Frank T. Ferguson, Hugh G. M. Hill and Natasha M. Johnson Life 2020, 10(9), 206 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Solids in the interstellar medium consist of an intimate mixture of silicate and…
Experiments quantifying elemental and isotopic fractionations during evaporation of CAI-like melts in low-pressure hydrogen and in vacuum: Constraints on thermal processing of CAI in the protoplanetary disk
Ruslan A. Mendybaev, Michiru Kamibayashi, Fang-Zhen Teng, Paul S. Savage, Bastian Georg, Frank M. Richter, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 16 September 2020 LINK “It is widely believed…
Accretion disk’s magnetic field controlled the composition of the terrestrial planetsOPEN ACCESS
William F McDonough, Takashi Yoshizaki LINK (OPEN ACCESS)PDF (DOWNLOAD) “Chondrites, the building blocks of the terrestrial planets, have mass and atomic proportions of oxygen, iron, magnesium, and silicon totaling ≥90% and variable Mg/Si (∼25%), Fe/Si…
Chondrules reveal large-scale outward transport of inner Solar System materials in the protoplanetary diskOPEN ACCESS
Curtis D. Williams, Matthew E. Sanborn, Céline Defouilloy, Qing-Zhu Yin, Noriko T. Kita, Denton S. Ebel, Akane Yamakawa, and Katsuyuki Yamashita PNAS, first published September 8, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Dynamic models of…
Low-phase spectral reflectance and equivalent “geometric albedo” of meteorites powdersOPEN ACCESS
P. Beck, B. Schmitt, S. Potin, A. Pommerol, O. Brissaud IcarusAvailable online 1 September 2020, 114066 LINK Update (23 September 2020): PDF (OPEN ACCESS) “Highlights • Reflectance spectra of 72 different meteorite are obtained low…
Isotopically distinct terrestrial planets via local accretion
Jingyi Mah, Ramon Brasser IcarusAvailable online 21 August 2020, 114052 LINK “Highlights • We find out what the depleted disc model predicts for the terrestrial planets’ isotopic compositions.• The terrestrial planets accrete most of their…
Melilite condensed from an 16O-poor gaseous reservoir: Evidence from a fine-grained Ca-Al-rich inclusion of Northwest Africa 8613
Sohei Wada, Noriyuki Kawasaki, Changkun Park, Hisayoshi Yurimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 August 2020 LINK “Fine-grained Ca-Al-rich inclusions (FGIs) in CV chondrites are suggested to be condensates from the…
Illuminating the dark side of the asteroid population: Visible near-infrared (0.7–2.45 μm) surface mineralogy modeling of D-type asteroids using Shkuratov theory
Gordon M.Gartrelle, Paul S. Hardersen, Matthew R.M. Izawa, Matthew C. Nowinski IcarusAvailable online 15 August 2020, 114043 LINK “Highlights • Shkuratov theory produces reasonable fits to D-type asteroid spectra using mineralogy grounded in meteorite analogues.•…
Impact Experiment on Asteroid (162173) Ryugu: Structure beneath the Impact Point Revealed by In Situ Observations of the Ejecta Curtain
Toshihiko Kadono, Masahiko Arakawa, Rie Honda, Ko Ishibashi, Kazunori Ogawa, Naoya Sakatani, Hirotaka Sawada, Yuri Shimaki, Kei Shirai, Seiji Sugita, and Koji Wada The Astrophysical Journal Letters, Volume 899, Number 1 LINK “An impact experiment…
Post-impact cryo-hydrologic formation of small mounds and hills in Ceres’s Occator crater
B. E. Schmidt, H. G. Sizemore, K. H. G. Hughson, K. D. Duarte, V. N. Romero, J. E. C. Scully, P. M. Schenk, D. L. Buczkowski, D. A. Williams, A. Nathues, K. Udell, J. C….
Evidence of non-uniform crust of Ceres from Dawn’s high-resolution gravity data
R. S. Park, A. S. Konopliv, A. I. Ermakov, J. C. Castillo-Rogez, R. R. Fu, K. H. G. Hughson, T. H. Prettyman, C. A. Raymond, J. E. C. Scully, H. G. Sizemore, M. M. Sori,…
Impact-driven mobilization of deep crustal brines on dwarf planet Ceres
C. A. Raymond, A. I. Ermakov, J. C. Castillo-Rogez, S. Marchi, B. C. Johnson, M. A. Hesse, J. E. C. Scully, D. L. Buczkowski, H. G. Sizemore, P. M. Schenk, A. Nathues, R. S. Park,…
Fresh emplacement of hydrated sodium chloride on Ceres from ascending salty fluids
M. C. De Sanctis, E. Ammannito, A. Raponi, A. Frigeri, M. Ferrari, F. G. Carrozzo, M. Ciarniello, M. Formisano, B. Rousseau, F. Tosi, F. Zambon, C. A. Raymond & C. T. Russell Nature Astronomy, Volume…
The varied sources of faculae-forming brines in Ceres’ Occator crater emplaced via hydrothermal brine effusionOPEN ACCESS
J. E. C. Scully, P. M. Schenk, J. C. Castillo-Rogez, D. L. Buczkowski, D. A. Williams, J. H. Pasckert, K. D. Duarte, V. N. Romero, L. C. Quick, M. M. Sori, M. E. Landis, C….
