The cosmochemistry of planetary systems
Martin Bizzarro, Anders Johansen & Caroline Dorn Nature Reviews Chemistry, Review Article, Published: 28 April 2025 LINK “Planets form and obtain their compositions from the leftover material present in protoplanetary disks of dust and gas…
Aqueous Alteration of Forsterite Glass in PlanetesimalsOPEN ACCESS
Yudai Kobayashi, Tomoko Ikeda-Fukazawa ACS Earth and Space Chemistry, April 19, 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “To investigate the aqueous alteration mechanisms of forsterite glass in planetesimals, molecular dynamics calculations were performed using two-phase…
A reconstruction of the H2O and F contents of the Erg Cech 002 parent body
Liam D. Peterson, Megan E. Newcombe, Conel M.O’D. Alexander, Jianhua Wang, Sune G. Nielsen Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 April 2025 LINK “Erg Cech 002 (EC 002) is an andesitic…
Petrologic evidence for core sulfur degassing in partially differentiated planetesimalsOPEN ACCESS
Shu-Zhou Wang, Ai-Cheng Zhang, Tian-Ran Trina Du, Jiani Chen, Yuanyun Wen, and Xiancai Lu Science Advances11 Apr 2025Vol 11, Issu LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Partial differentiation hypothesis is a scenario for interpreting the internal…
Highly Heterogeneous Parent Body of the Rare Andesitic Erg Chech 002 Meteorite Revealed by the Revisited Mn–Cr Isotopic SystematicsOPEN ACCESS
Bing Yang, Runlian Pang, Qing Wang, Anning Zhang, Wei Du and Liping Qin The Planetary Science Journal, Volume 6, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Erg Chech 002 (EC 002), an andesitic meteorite, has…
Comparison of the earliest NC and CC planetesimals: Evidence from ungrouped iron meteoritesOPEN ACCESS
Fridolin Spitzer, Christoph Burkhardt, Thomas S. Kruijer, Thorsten Kleine Update (24 March 2025): Geochimica et Cosmochimica Acta LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Isotope anomalies in meteorites reveal a fundamental dichotomy between non-carbonaceous- (NC) and…
Planetesimal Impact Vapor Plumes and Nebular Shocks form Chondritic MixturesOPEN ACCESS
Sarah T. Stewart, Simon J. Lock, Philip J. Carter, Erik J. Davies, Michail I. Petaev, Stein B. Jacobsen draft, accepted March 7, 2025, submitted to The Planetary Science Journal PDF (OPEN ACCESS) Update: The Planetary…
Enrichment of moderately volatile elements in first-generation planetesimals of the inner Solar SystemOPEN ACCESS
Damanveer S. Grewal, Surjyendu Bhattacharjee, Bidong Zhang, Nicole X. Nie, and Yoshinori Miyazaki Science Advances5 Feb 2025Vol 11, Issue 6 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The depletion of moderately volatile elements (MVEs) in terrestrial planets…
Early Solar System Turbulence Constrained by High Oxidation States in the Oldest Noncarbonaceous PlanetesimalsOPEN ACCESS
Teng Ee Yap, Konstantin Batygin and François L. H. Tissot The Planetary Science Journal, Volume 6, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Early solar system (SS) planetesimals constitute the parent bodies of most meteorites…
Methylene-to-methyl ratio variability in Ryugu samples: Clues to a heterogeneous aqueous alteration
Zélia Dionnet, Zahia Djouadi, Lukas Delaye, Lucas Caron, Rosario Brunetto, Alice Aléon-Toppani, Cateline Lantz, Stefano Rubino, Donia Baklouti, Tomoki Nakamura, Ferenc Borondics, Christophe Sandt, Megumi Matsumoto, Kana Amano, Tomoyo Morita, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji…
The extent of liquid immiscibility in planetesimal coresOPEN ACCESS
G.D. Bromiley, M. Varnam, H. Terasaki, T. Komabayashi, J. Barosch Geochemical Perspectives Letters, V33Published: 26 November 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report results of experiments in the system Fe0.9Ni0.1, S, P, C, O,…
Remnants of a lost Planetesimal: Searching for the Angrite parent bodyOPEN ACCESS
B.G. Rider-Stokes, S.L. Jackson, T.H. Burbine, L.F. White, R.C. Greenwood, E.M. MacLennan, M. Anand, A. Yamaguchi, M.M. Grady IcarusIn Press, Journal Pre-proof, Available online 9 December 2024 LINK + PDF (OPEN ACCESS) “Highlights “It is…
Chondrule formation indicates protracted growth of giant planet cores
M.D. Cashion, B.C. Johnson, R. Deienno, K.A. Kretke, K.J. Walsh, A.N. Krot IcarusIn Press, Journal Pre-proof, Available online 27 November 2024 LINK “Highlights “Chondrules, igneous spherules found in most meteorites, formed throughout the protoplanetary disk,…
On the Early Thermal Processing of Planetesimals during and after the Giant Planet InstabilityOPEN ACCESS
Anastasios Gkotsinas, David Nesvorný, Aurélie Guilbert-Lepoutre, Sean N. Raymond and Nathan Kaib The Planetary Science Journal, Volume 5, Number 11 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Born as ice-rich planetesimals, cometary nuclei were gravitationally scattered onto…
Unlocking planetesimal magnetic field histories: A refined, versatile model for thermal evolution and dynamo generationOPEN ACCESS
Hannah R. Sanderson, James F.J. Bryson, Claire I.O. Nichols, Christopher J. Davies IcarusIn Press, Journal Pre-proof, Available online 23 September 2024 LINK + PDF (OPEN ACCESS) “Highlights “The thermal and magnetic histories of planetesimals provide…
Cavitating bubbles in condensing gas as a means of forming clumps, chondrites, and planetesimalsOPEN ACCESS
Eugene Chiang Accepted to ApJ Letters PDF (OPEN ACCESS) “Vaporized metal, silicates, and ices on the verge of re-condensing into solid or liquid particles appear in many contexts: behind shocks, in impact ejecta, and within…
First widespread occurrence of rare phosphate chladniite in a meteorite, winonaite Graves Nunataks (GRA) 12510: Implications for phosphide–phosphate redox buffered genesis in meteoritesOPEN ACCESS
Brendan A. Anzures, Francis M. McCubbin, Timmons M. Erickson, Ryan S. Jakubek, Marc D. Fries, Loan Le American Mineralogist (2024) 109 (9): 1513–15221 September 2024 LINK + PDF (OPEN ACCESS) “The first widespread occurrence of…
Quantification of evaporative loss of volatile metals from planetary cores and metal-rich planetesimalsOPEN ACCESS
E.S. Steenstra, C.J. Renggli, J. Berndt, S. Klemme Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 31 August 2024 LINK + PDF (OPEN ACCESS) “The processes responsible for the isotopic compositions and abundances of…
The rapid formation of macromolecules in irradiated ice of protoplanetary disk dust traps
Niels F. W. Ligterink, Paola Pinilla, Nienke van der Marel, Jeroen Terwisscha van Scheltinga, Alice S. Booth, Conel M. O’D. Alexander & My E. I. Riebe Nature Astronomy, Published: 30 July 2024 LINK “Organic macromolecular…
Properties of outer solar system pebbles during planetesimal formation from meteor observationsOPEN ACCESS
Peter Jenniskens, Paul R. Estrada, Stuart Pilorz, Peter S. Gural, Dave Samuels, Steve Rau, Timothy M.C. Abbott, Jim Albers, Scott Austin, Dan Avner, Jack W. Baggaley, Tim Beck, Solvay Blomquist, Mustafa Boyukata, Martin Breukers, Walt…
Metal-silicate mixing in planetesimal collisionsOPEN ACCESS
Kang Shuai, Christoph M. Schäfer, Christoph Burger, Hejiu Hui Astronomy & Astrophysics manuscriptReceived: 22 August 2023 / Accepted: 12 April 2024, Published: 20 July 2024 PDF 1 (OPEN ACCESS)PDF 2 (OPEN ACCESS) “Impacts between differentiated…
Recurrent planetesimal formation in an outer part of the early solar systemOPEN ACCESS
Wladimir Neumann, Ning Ma, Audrey Bouvier & Mario Trieloff Scientific Reports, Volume 14, article number 14017, Published: 01 July 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The formation of planets in our solar system encompassed various…
Compositions of iron-meteorite parent bodies constrain the structure of the protoplanetary diskOPEN ACCESS
Bidong Zhang, Nancy L. Chabot, and Alan E. Rubin PNAS, Vol. 121, No. 2328 May 28, 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Magmatic iron-meteorite parent bodies are the earliest planetesimals in the Solar System, and…
Igneous intrusion origin for the petrofabric of Erg Chech 002OPEN ACCESS
C. Beros, K. T. Tait, V. E. Di Cecco, D. E. Moser MAPS, Version of Record online: 19 May 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Achondrites provide an opportunity to examine the igneous processes of…
Early and elongated epochs of planetesimal dynamo generationOPEN ACCESS
Hannah R. Sanderson, James F. J. Bryson, Claire I. O. Nichols This is a preliminary release in order to share the manuscript at a conference. This paper will be submitted to Earth and Planetary Science…
Aqueous alteration in icy planetesimals: The effect of outward transport of gaseous hydrogenOPEN ACCESS
Takazo Shibuya, Yasuhito Sekine, Sakiko Kikuchi, Hiroyuki Kurokawa, Keisuke Fukushi, Tomoki Nakamura, Sei-ichiro Watanabe Geochimica et Cosmochimica ActaAvailable online 28 March 2024 LINK (OPEN ACCESS) “Parent bodies of carbonaceous chondrites that initially contained metallic iron…
Wetting property of Fe-S melt in solid core: Implication for the core crystallization process in planetesimals
Shiori Matsubara, Hidenori Terasaki, Takashi Yoshino, Satoru Urakawa, Daisuke Yumitori MAPS, Version of Record online: 10 March 2024 LINK “In differentiated planetesimals, the liquid core starts to crystallize during secular cooling, followed by the separation…
Nitrogen inventory of iron meteorite parent bodies constrained by nitrogen partitioning between Fe-rich solid and liquid alloys
Debjeet Pathak, Rajdeep Dasgupta Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 6 March 2024 LINK “Delivery of nitrogen (N), one of the most important elements for life, to Earth thought to have…
Large Carbonaceous Chondrite Parent Bodies Favored by Abundance–Volatility Modeling: A Possible Chemical Signature of Pebble AccretionOPEN ACCESS
Jeremy W. Boyce, Francis M. McCubbin, Nicole Lunning and Tyler Anderson The Planetary Science Journal, Volume 5, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive meteorite groups such as the Vigarano, Mighei, and Karoonda carbonaceous…
Thermal processing of primordial pebbles in evolving protoplanetary disksOPEN ACCESS
Maria Jose Colmenares, Michiel Lambrechts, Elishevah van Kooten, Anders Johansen Accepted for publication in A&A PDF (OPEN ACCESS) During protoplanetary disk formation, dust grains located in the outer disk retain their pristine icy composition, while…
The H-poor nature of incompletely melted planetesimals: The view from acapulcoites and lodranites
Liam D. Peterson, Megan E. Newcombe, Conel M.O’D. Alexander, Jianhua Wang, Sune G. Nielsen In Press, Journal Pre-proof, Available online 10 February 2024 LINK “The abundance of H in planetary building blocks is of fundamental…
Accretion of the earliest inner Solar System planetesimals beyond the water snowline
Damanveer S. Grewal, Nicole X. Nie, Bidong Zhang, Andre Izidoro & Paul D. Asimow Nature AstronomyPublished: 09 January 2024 LINK “How and where the first generation of inner Solar System planetesimals formed remains poorly understood….
Chondrule survivability in the solar nebulaOPEN ACCESS
Tetsuo Taki, Shigeru Wakita Update (27 February 2024): The Astrophysical Journal, Volume 963, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) accepted for publication in the Astrophysical Journal PDF (OPEN ACCESS) The lifetime of millimeter-sized dust…
Rubidium isotopic compositions of angrites controlled by extensive evaporation and partial recondensation
Baoliang Wang, Frederic Moynier, and Yan Hu PNAS, 121 (1) e2311402121 LINK “The planetesimals in the solar system exhibit varying degrees of moderately volatile elements (MVEs) depletion compared to the protosolar composition. Revealing the relevant…
Isotopic trichotomy of main belt asteroids from implantation of outer solar system planetesimals
David Nesvorný, Nicolas Dauphas, David Vokrouhlický, Rogerio Deienno, Timo Hopp Earth and Planetary Science LettersVolume 626, 15 January 2024, 118521 LINK “Recent analyses of samples from asteroid (162173) Ryugu returned by JAXA’s Hayabusa2 mission suggest…
Asteroids were born bigger: An implication of surface mass ablation during gas-assisted implantation into the asteroid belt
Rafael Ribeiro de Sousa, Andre Izidoro, Rogerio Deienno, Rajdeep Dasgupta IcarusAvailable online 6 December 2023, 115910 LINK “The origins of carbonaceous asteroids in the asteroid belt is not fully understood. The leading hypothesis is that…
Prebiotic Vitamin B3 Synthesis in Carbonaceous PlanetesimalsOPEN ACCESS
Klaus Paschek, Mijin Lee, Dmitry A. Semenov, Thomas K. Henning Accepted for publication in ChemPlusChem. PDF (OPEN ACCESS)Supporting Information “Aqueous chemistry within carbonaceous planetesimals is promising for synthesizing prebiotic organic matter essential to all life….
Ice Sublimation in Planetesimals Formed at the Outward Migrating SnowlineOPEN ACCESS
Zhongtian Zhang The Astrophysical Journal Letters, Volume 956, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Isotopic studies of meteorites suggest that planetesimals were formed as two distinct populations: noncarbonaceous (NC) and carbonaceous (CC) reservoirs. A…
Outgassing Composition of the Murchison Meteorite: Implications for Volatile Depletion of Planetesimals and Interior-atmosphere Connections for Terrestrial ExoplanetsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Graham Harper Edwards, Laura Schaefer, Jasmeet Dhaliwal, Brian Dreyer, Jonathan J. Fortney and Kyle Kim The Planetary Science Journal, Volume 4, Number 10 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Outgassing is…
The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu with Implications for the Nature of the Parent PlanetesimalOPEN ACCESS
Haolan Tang, Edward D. Young, Lauren Tafla, Andreas Pack, Tommaso Di Rocco, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson6, Marc Chaussidon,…
Dynamical orbital evolution of asteroids and planetesimals across distinct chemical reservoirs due to accretion growth of planets in the early solar systemOPEN ACCESS
Sandeep Sahijpal Astrophysics & Astronomy, 2023, Preprint PDF (OPEN ACCESS) “N-body numerical simulations code for the orbital motion of asteroids/planetesimals within the asteroid belt under the gravitational influence of the sun and the accreting planets…
The Geochemical Legacy of Low-Temperature, Percolation-Driven Core Formation in PlanetesimalsOPEN ACCESS
Geoffrey David Bromiley Earth, Moon, and Planets, Volume 127, Article number: 4 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mechanisms for core formation in differentiated bodies in the early solar system are poorly constrained. At temperatures below…
Evidence for Very Early Planetesimal Formation and 26Al/27Al Heterogeneity in the Protoplanetary DiskOPEN ACCESS
J. N. Connelly, J. Bollard, E. Amsellem, M. Schiller, K. K. Larsen, and M. Bizzarro The Astrophysical Journal Letters, Volume 952, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We present a U-corrected Pb–Pb age of…
Reconciling fast and slow cooling during planetary formation as recorded in the main group pallasitesOPEN ACCESS
M. Murphy Quinlan, A.M. Walker, C.J. Davies Earth and Planetary Science LettersVolume 618, 15 September 2023, 118284 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Highlights Fast and slow cooling recorded in pallasites can be explained by metal…
Early solar system chronology from short-lived chronometersOPEN ACCESS
Aryavart Anand, Klaus Mezger GeochemistryInvited ReviewAvailable online 30 May 2023, 126004 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Age constraints on early solar system processes and events can be derived from meteorites and their components using…
Hydrogen in acapulcoites and lodranites: A unique source of water for planetesimals in the inner Solar SystemOPEN ACCESS
A. Stephant, X. Zhao, M. Anand, J. Davidson, C. Carli, T. Cuppone, G. Pratesi, I.A. Franchi Earth and Planetary Science LettersVolume 615, 1 August 2023, 118202 LINK (OPEN ACCESS) “Highlights Partial melting up to 20%…
Impact mixing among rocky planetesimals in the early Solar System from angrite oxygen isotopes
B. G. Rider-Stokes, R. C. Greenwood, M. Anand, L. F. White, I. A. Franchi, V. Debaille, S. Goderis, L. Pittarello, A. Yamaguchi, T. Mikouchi & P. Claeys Nature Astronomy, Published: 15 May 2023 LINK “Angrite…
Sulfuric acid as a corrosive cryofluid and oxygen isotope reservoir in planetesimals
Akihiko Hashimoto, Yuki Nakano IcarusIn Press, Journal Pre-proof, Available online 25 March 2023 LINK “The Earth-Moon and other planetary objects are enriched in the heavier isotopes, 17O and 18O, relative to 16O by several %,…
Degassing of early-formed planetesimals restricted water delivery to Earth
M. E. Newcombe, S. G. Nielsen, L. D. Peterson, J. Wang, C. M. O’D. Alexander, A. R. Sarafian, K. Shimizu, L. R. Nittler & A. J. Irving NaturePublished: 15 March 2023 LINK “The timing of…
Origin of isotopic diversity among carbonaceous chondritesOPEN ACCESS
Jan L. Hellmann, Jonas M. Schneider, Elias Wölfer, Joanna Drążkowska, Christian A. Jansen, Timo Hopp, Christoph Burkhardt, Thorsten Kleine Accepted for publication in ApJL PDF (OPEN ACCESS) “Carbonaceous chondrites are some of the most primitive…
An Astrophysical Site for Chondrule Formation
Herbst W.* Greenwood J. P. 54th Lunar and Planetary Science Conference 2023 abstract [#1209] We propose that chondrules form during the accretion of primitive planetesimal fragments to differentiated planetesimals.
The Angrite Parent Body as the Archetypal First-Generation Planetesimal: Large, Reduced and Mg-Enriched
Tissot F. L. H.* Collinet M. Namur O. Grove T. L. 54th Lunar and Planetary Science Conference 2023 abstract [#1221] Two groups of quenched angrites. Experimental constraints point to a possibly Moon-sized parent body. A self-consistent bulk composition for the APB…
Heterogenity of planetesimal collisional plume probed by glass inclusions in metal globules of Sierra Gorda 013, an unusual CBa-like chondrite
C. A. Lorenz, M. A. Ivanova, N. G. Zinovieva, K. M. Ryazantsev, A. V. Korochantsev MAPSVersion of Record online: 02 February 2023 LINK “Metal-rich carbonaceous CB chondrites are generally assumed to be materials accreted from the gas–dust plume formed…
Melt migration in rubble-pile planetesimals: Implications for the formation of primitive achondrites
Zhongtian Zhang, David Bercovici, Linda T. Elkins-Tanton Earth and Planetary Science LettersAvailable online 31 January 2023, 118019 LINK “Primitive achondrites represent residual mantle material of planetesimals from which up to 20% partial melts were extracted….
Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth − an outlook from iron meteorites
Damanveer S. Grewal, Paul D. Asimow Geochimica et Cosmochimica ActaAvailable online 20 January 2023 LINK “Disagreement regarding the origin of the bulk silicate Earth’s (BSE) superchondritic carbon/nitrogen (C/N) ratio is due, in part, to the…
K-Ca dating and Ca isotope composition of the oldest Solar System lava, Erg Chech 002OPEN ACCESS
W. Dai, F. Moynier, L. Fang, J. Siebert Geochemical Perspectives Letters v24 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Erg Chech 002 (EC 002) is an andesitic meteorite, which is the oldest lava in the Solar System…
Making the Solar SystemOPEN ACCESS
John Chambers Accepted for publication in the Astrophysical Journal PDF (OPEN ACCESS) Update (16 February 2023): The Astrophysical Journal, Volume 944, Number 2LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We model the early stages of planet formation…
Birth and decline of magma oceans in planetesimals. Part 2: Structure and thermal history of early accreted small planetary bodies
Cyril Sturtz, Angela Limare, Stephen Tait, Édouard Kaminski JGR Planets, First Published: 30 November 2022 LINK “Key Points We model the thermal and structural evolution of radiogenic heated early accreted planetesimals that experienced an internal…
Birth and decline of magma oceans in planetesimals. Part 1: Experimental study of erosion and deposition of particles in an internally heated convecting fluid
Cyril Sturtz, Angela Limare, Stephen Tait, Édouard Kaminski JGR PlanetsFirst Published: 18 November 2022 LINK “Key Points We study experimentally the transient behavior of a convective fluid bearing particles that can float or sediment to…
Rapid formation of massive planetary cores in a pressure bumpOPEN ACCESS
T.C.H. Lau, J. Dra̧żkowska, S.M. Stammler, T. Birnstiel, C.P. Dullemond Astronomy & Astrophysics, manuscript no. 44864corrReceived: 01 September 2022 / Accepted: 08 November 2022 PDF (OPEN ACCESS) “Context. Models of planetary core growth by either…
Acquisition and Preservation of Remanent Magnetization in Carbonaceous Asteroids
Samuel W. Courville, Joseph G. O’Rourke, Julie C. Castillo-Rogez, Roger R. Fu, Rona Oran, Benjamin P. Weiss & Linda T. Elkins-Tanton Nature AstronomyPublished: 13 October 2022 LINK “The solar nebula sustained a strong magnetic field…
The case for the angrite parent body as the archetypal first-generation planetesimal: Large, reduced and Mg-enriched
François L.H. Tissot, Max Collinet, Olivier Namur, Timothy L. Grove Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 7 October 2022 LINK “Angrites are silica-undersaturated achondrites formed very early in the history of the…
Origin of Nitrogen Isotopic Variations in the Rocky Bodies of the Solar SystemOPEN ACCESS
Damanveer S. Grewal The Astrophysical Journal, Volume 937, Number 25 October 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Noncarbonaceous (NC; inner solar system) meteorites have lower 15N/14N ratios than carbonaceous (CC; outer solar system) meteorites. Whether…
The Fate of Nitrogen during Parent Body Partial Melting and Accretion of the Inner Solar System Bodies at Reducing Conditions
Rajdeep Dasgupta, Emily Falksen, Aindrila Pal, Chenguang Sun Geochimica et Cosmochimica ActaAvailable online 23 September 2022 LINK “Evolution of nitrogen (N), a life-essential volatile element, in highly reduced magmatic systems is a key for the…
Stochastic accretion of the Earth
Paolo A. Sossi, Ingo L. Stotz, Seth A. Jacobson, Alessandro Morbidelli & Hugh St. C. O’Neill Nature AstronomyPublished: 07 July 2022 LINK “Chondritic meteorites are thought to be representative of the material that formed the…
Structure of differentiated planetesimals: A chondritic fridge on top of a magma ocean
Cyril Sturtz, Angela Limare, Marc Chaussidon, Édouard Kaminski IcarusIn Press, Journal Pre-proof, Available online 28 May 2022 LINK “Highlights • We study the formation and the thermal evolution of planetesimals that accreted undifferentiated material during…
Chondrule formation via impact jetting in the icy outer solar system
Melissa D. Cashion, Brandon C. Johnson, Alexander N. Krot, Katherine Kretke, Shigeru Wakita, Thomas M. Davison IcarusIn Press, Journal Pre-proof, Available online 24 May 2022 LINK “Highlights • Jetting during icy impacts is proposed to…
The dissipation of the solar nebula constrained by impacts and core cooling in planetesimals
Alison C. Hunt, Karen J. Theis, Mark Rehkämper, Gretchen K. Benedix, Rasmus Andreasen & Maria Schönbächler Nature AstronomyPublished: 23 May 2022 LINK “Rapid cooling of planetesimal cores has been inferred for several iron meteorite parent…
Distinguishing the Origin of Asteroid (16) PsycheOPEN ACCESS
Linda T. Elkins-Tanton, Erik Asphaug, James F. Bell III, Carver J. Bierson, Bruce G. Bills, William F. Bottke, Samuel W. Courville, Steven D. Dibb, Insoo Jun, David J. Lawrence, Simone Marchi, Timothy J. McCoy, Jose…
Did Earth eat its leftovers? Impact ejecta as a component of the late veneerOPEN ACCESS
Philip J. Carter, Sarah T. Stewart Draft version April 11, 2022, to be published in PSJ PDF (OPEN ACCESS) Update (19 April 2022):LINK (OPEN ACCESS)PDF (OPEN ACCESS)The Planetary Science Journal, Volume 3, Number 4 “The…
A case for a Themis asteroid family spacecraft mission
M.E. Landis, J.C. Castillo-Rogez, P.O. Hayne, H. Hsieh, K.H.G. Hughson, D. Kubitschek, K.E. Miller, T.H. Prettyman, A.S. Rivkin, B.E. Schmidt, J.E.C.Scully, N. Yamashita, M.N. Villarreal, M. Alexander, A. Armstrong, C. Bader, C. Brown, J.T. Engbrecht,…
Planetesimal rings as the cause of the Solar System’s planetary architectureOPEN ACCESS
Andre Izidoro, Rajdeep Dasgupta, Sean N. Raymond, Rogerio Deienno, Bertram Bitsch & Andrea Isella Nature Astronomy (2021)Published: 30 December 2021 LINK Update (3 January 2022): PDF (OPEN ACCESS) “Astronomical observations reveal that protoplanetary disks around…
Effects of pebble accretion on the growth and composition of planetesimals in the inner Solar SystemOPEN ACCESS
J. Mah, R. Brasser, A. Bouvier, S. J. Mojzsis accepted for publication in MNRAS PDF (OPEN ACCESS) “Recent work has shown that aside from the classical view of collisions by increasingly massive planetesimals, the accretion…
Contemporary formation of early Solar System planetesimals at two distinct radial locationsOPEN ACCESS
A. Morbidelli, K. Baillié, K. Batygin, S. Charnoz, T. Guillot, D. C. Rubie & T. Kleine Nature Astronomy (2021)Published: 22 December 2021 LINK Update (3 January 2022): PDF (OPEN ACCESS) “The formation of planetesimals is…
Meteorites and the RNA world: Synthesis of Nucleobases in Carbonaceous Planetesimals and the Role of Initial Volatile ContentOPEN ACCESS
Klaus Paschek, Dmitry A. Semenov, Ben K. D. Pearce, Kevin Lange, Thomas K. Henning, Ralph E. Pudritz Submitted to The Astrophysical Journal PDF (OPEN ACCESS) Update (10 January 2023): The Astrophysical Journal, Volume 942, Number…
New evidence for wet accretion of inner solar system planetesimals from meteorites Chelyabinsk and BenenitraOPEN ACCESS
Ziliang Jin, Maitrayee Bose, Tim Lichtenberg, Gijs Mulders accepted for publication in The Planetary Science Journal PDF (OPEN ACCESS) Update (28 December 2021): LINK (OPEN ACCESS) / PDF (OPEN ACCESS)The Planetary Science Journal, Volume 2,…
Early Initiation of Inner Solar System Formation at the Dead-zone Inner EdgeOPEN ACCESS
Takahiro Ueda, Masahiro Ogihara, Eiichiro Kokubo, and Satoshi Okuzumi The Astrophysical Journal Letters, Volume 921, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The inner solar system possesses a unique orbital structure in which there are…
Nucleosynthetic Pt isotope anomalies and the Hf-W chronology of core formation in inner and outer solar system planetesimalsOPEN ACCESS
Fridolin Spitzer, Christoph Burkhardt, Francis Nimmo, Thorsten Kleine Accepted for publication in Earth and Planetary Science Letters PDF (OPEN ACCESS) Update (6 October 2021): Earth and Planetary Science Letters, Volume 576, 15 December 2021LINK “The…
Common feedstocks of late accretion for the terrestrial planets
M.-H. Zhu, A. Morbidelli, W. Neumann, Q.-Z. Yin, J.M.D. Day, D.C. Rubie, G.J. Archer, N. Artemieva, H. Becker, K. Wünnemann Nature Astronomy (30 September 2021) LINK “Abundances of the highly siderophile elements (HSEs) in silicate…
A time-resolved paleomagnetic record of Main Group pallasites: Evidence for a large-cored, thin-mantled parent body
Claire I. O. Nichols, James F.J. Bryson, Rory D. Cottrell, Roger R. Fu, Richard J. Harrison, Julia Herrero-Albillos, Florian Kronast, John A. Tarduno, Benjamin P. Weiss JGR PlanetsFirst Published: 18 June 2021 LINK “Several paleomagnetic…
The Macroporosity of Rubble Pile Asteroid Ryugu and Implications for the Origin of ChondrulesOPEN ACCESS
William Herbst, James P. Greenwood and Teng Ee Yap The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We use the known surface boulder-size distribution of the C-type rubble pile asteroid…
Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body
N. Sakatani, S. Tanaka, T. Okada, T. Fukuhara, L. Riu, S. Sugita, R. Honda, T. Morota, S. Kameda, Y. Yokota, E. Tatsumi, K. Yumoto, N. Hirata, A. Miura, T. Kouyama, H. Senshu, Y. Shimaki, T….
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…
An evolutionary system of mineralogy, Part IV: Planetesimal differentiation and impact mineralization (4566 to 4560 Ma)
Shaunna M. Morrison, Robert M. Hazen American Mineralogist (2021) 106 (5): 730–761 LINK “The fourth installment of the evolutionary system of mineralogy considers two stages of planetesimal mineralogy that occurred early in the history of…
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…
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 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…
Evaluating the O‐Cr‐Mo isotope signatures in various meteorites representing core–mantle–crust fragments: Implications for partially differentiated planetesimal(s) accreted in the early outer solar system
Arshad Ali, Iffat Jabeen Meteoritics & Planetary ScienceVersion of Record online: 07 February 2021 LINK “The Allende, Eagle Station pallasites (ESP), some ungrouped achondrites (UA), and ungrouped irons (UI) represent different types of meteorites; these…
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…
Microporosity and parent body of the rubble-pile NEA (162173) RyuguOPEN ACCESS
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 PDF (OPEN ACCESS) “Highlights • We investigate the porosity for ice-rich…
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…
Petrological evidence for the existence and disruption of a 500 km-sized differentiated planetesimal of enstatite-chondritic parentage
Dennis Harries, Addi Bischoff Earth and Planetary Science LettersVolume 548, 15 October 2020, 116506 LINK “Highlights • A unique enstatite-rich lithology was found among Almahata Sitta meteorite samples.• Petrology indicates a radius of ∼500 km…
Heavy iron isotope composition of iron meteorites explained by core crystallization
Peng Ni, Nancy L. Chabot, Caillin J. Ryan & Anat Shahar Nature Geoscience , 1–5Published: 03 August 2020 LINK “Similar to Earth, many large planetesimals in the Solar System experienced planetary-scale processes such as accretion,…
Early accretion of planetesimals unraveled by the thermal evolution of the parent bodies of magmatic iron meteorites
Edouard Kaminski, Angela Limare, Balthasar Kenda, Marc Chaussidon Earth and Planetary Science LettersVolume 548, 15 October 2020, 116469 LINK “Highlights • Hf/W ages of magmatic iron meteorites define a common thermal evolution.• We propose a…
Meteorite evidence for partial differentiation and protracted accretion of planetesimalsOPEN ACCESS
Clara Maurel, James F. J. Bryson, Richard J. Lyons, Matthew R. Ball, Rajesh V. Chopdekar, Andreas Scholl, Fred J. Ciesla, William F. Bottke, Benjamin P. Weiss Science Advances 24 Jul 2020:Vol. 6, no. 30, eaba1303DOI:…
Ureilite meteorites provide a new model of early planetesimal formation and destructionOPEN ACCESS
N. Rai, H. Downes, C. Smith Geochemical Perspectives Letters 14, pp. 20–25 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Ureilite meteorites are ultramafic rocks derived from parts of the depleted silicate mantle of their parent planetesimal. We…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for chondrite formationOPEN ACCESS
Yoshinori Miyazaki, Jun Korenaga PDF (OPEN ACCESS) “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key to resolving the state of the early…
Cascade Model for Planetesimal Formation by Turbulent Clustering
Thomas Hartlep and Jeffrey N. Cuzzi The Astrophysical Journal Volume 892, Number 2, 2020 April 1 LINK “We use a newly developed cascade model of turbulent concentration of particles in protoplanetary nebulae to calculate several…
Early silica crust formation in planetesimals by metastable silica-rich liquid immiscibility or cristobalite crystallisation: the possible origin of silica-rich chondrulesOPEN ACCESS
François Faure Scientific Reports 10, Article number: 4765 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The formation and differentiation processes of planetesimals—small bodies in the solar system—remain actively debated. Planetesimal differentiation is known to have…
Subsolar Al/Si and Mg/Si ratios of non-carbonaceous chondrites reveal planetesimal formation during early condensation in the protoplanetary diskOPEN ACCESS
A. Morbidelli, G. Libourel, H. Palme, S.A. Jacobson, D.C. Rubie Accepted for publication in EPSL PDF (OPEN ACCESS) “The Al/Si and Mg/Si ratios in non-carbonaceous chondrites are lower than the solar (i.e., CI-chondritic) values, in…
Formation of primitive achondrites by partial melting of alkali-undepleted planetesimals in the inner solar system
Max Collinet, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 March 2020 LINK “Acapulcoites-lodranites, ureilites, brachinites, brachinite-like achondrites and winonaites are the main groups of primitive achondrites. They are…
Observations, meteorites, and models: A pre‐flight assessment of the composition and formation of (16) Psyche
L.T. Elkins‐Tanton, E. Asphaug, J. F. Bell III, H. Bercovici, B. Bills, R. Binzel, W. F. Bottke, S. Dibb, D. J. Lawrence, S. Marchi, T. J. McCoy, R. Oran, R. S. Park, P. N. Peplowski,…
Unique angrite-like fragments in a CH3 chondrite reveal a new basaltic planetesimal
Ai-Cheng Zhang, Noriyuki Kawasaki, Minami Kuroda, Yang Li, Hua-Pei Wang, Xue-Ning Bai, Naoya Sakamoto, Qing-Zhu Yin, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 19 February 2020 LINK “Most meteorites are…
Discovery of fossil asteroidal ice in primitive meteorite Acfer 094OPEN ACCESS
Megumi Matsumoto, Akira Tsuchiyama, Aiko Nakato, Junya Matsuno, Akira Miyake, Akimasa Kataoka, Motoo Ito, Naotaka Tomioka, Yu Kodama, Kentaro Uesugi, Akihisa Takeuchi, Tsukasa Nakano and Epifanio Vaccaro Science Advances 20 Nov 2019: Vol. 5, no….
Accretionary mixing of a eucrite impactor and the regolith of the L chondrite parent body
Brendt C. Hyde, Kimberly T. Tait, Desmond E. Moser, Douglas Rumble, Michelle S. Thompson Meteoritics & Planetary Science First Published: 13 November 2019 LINK “Northwest Africa (NWA) 869 is the largest sample of chondritic regolith…
Evidence for anorthositic crust formed on an inner solar system planetesimalOPEN ACCESS
P. Frossard, M. Boyet, A. Bouvier, T. Hammouda, J. Monteux Geochemical Perspectives Letters v11 doi: 10.7185/geochemlet.1921 Published 7 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “During the first million years of solar system history,…
Ferrovolcanism on metal worlds and the origin of pallasitesOPEN ACCESS
Brandon C. Johnson, Michael M. Sori & Alexander J. Evans Nature Astronomy, 1–4, published: 16 September 2019 LINK PDF (OPEN ACCESS) “As differentiated planetesimals cool, their cores can solidify from the outside in1, as evidenced…
Chondrule Formation by the Jovian Sweeping Secular ResonanceOPEN ACCESS
Munan Gong, Xiaochen Zheng, Douglas N.C. Lin, Kedron Silsbee, Clement Baruteau, Shude Mao Accepted for publication by ApJ PDF (OPEN ACCESS) LINK “Chondrules are silicate spheroids found in meteorites, serving as important fossil records of…
Rocky Planetesimal Formation Aided by Organics
Kazuaki A. Homma, Satoshi Okuzumi, Taishi Nakamoto, and Yuta Ueda The Astrophysical Journal, Volume 877, Number 2 LINK “The poor stickiness of silicate dust grains is a major obstacle to the formation of rocky planetesimals….
Dust Condensation in Evolving Discs and the Composition of Meteorites, Planetesimals, and PlanetsOPEN ACCESS
Min Li, Shichun Huang, Michail I. Petaev, Zhaohuan Zhu, Jason H. Steffen Submitted to MNRAS PDF (OPEN ACCESS) “Partial condensation of dust from the Solar nebula is thought to be responsible for the diverse chemical…
The effects of impacts on the cooling rates of iron meteorites
Richard J. Lyons, Timothy J. Bowling, Fred J. Ciesla, Thomas M. Davison, Gareth S. Collins Meteoritics & Planetary Science First Published: 14 May 2019 LINK “Iron meteorites provide a record of the thermal evolution of…
A Radiative Heating Model for Chondrule and Chondrite FormationOPEN ACCESS
William Herbst, James P. Greenwood Icarus PDF (OPEN ACCESS) Update (11 April 2019): LINK “We propose that chondrules and chondrites formed together during a brief radiative heating event caused by the close encounter of a…
Evidence for early impact on a hot differentiated planetesimal from Al-rich micro-inclusions in ungrouped achondrite Northwest Africa 7325
Jing Yang, Chi Zhang, Masaaki Miyahara, Xu Tang, Lixin Gu, Yangting Lin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 13 March 2019 LINK “The ungrouped achondrite NWA 7325 is a cumulate olivine…
Fates of hydrous materials during planetesimal collisionsOPEN ACCESS
Shigeru Wakita, Hidenori Genda PDF (OPEN ACCESS) Update (Icarus, 20 March 2019) LINK “Hydrous minerals are found on the surfaces of asteroids, but their origin is not clear. If their origin is endogenic, the hydrous…
Accretion of the asteroids: Implications for their thermal evolution
S. J. Weidenschilling Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Thermal models of asteroids generally assume that they accreted either instantaneously or over an extended interval with a prescribed growth rate. It…
Meteorite cloudy zone formation as a quantitative indicator of paleomagnetic field intensities and cooling rates on planetesimalsOPEN ACCESS
Clara Maurel, Benjamin P. Weiss, James F. J. Bryson PDF (OPEN ACCESS) “Metallic microstructures in slowly-cooled iron-rich meteorites reflect the thermal and magnetic histories of their parent planetesimals. Of particular interest is the cloudy zone,…
Near-equilibrium isotope fractionation during planetesimal evaporationOPEN ACCESS
E.D. Young, A. Shahar, F. Nimmo, H.E. Schlichting, E.A. Schauble, H. Tang, J. Labidi Icarus Available online 21 January 2019 LINK PDF (OPEN ACCESS) “Highlights • Silicon and Mg in differentiated rocky bodies exhibit heavy…
On the principle building blocks of Mars and Earth
Christian Liebske, Amir Khan IcarusAvailable online 20 January 2019 LINK “Highlights • Stochastic mixing of chondrites and achondrites to reconcile isotopic signatures for Mars and Earth indicate highly non-unique solution spaces • Complementary geophysical and…
Magma ascent in planetesimals: Control by grain size
Tim Lichtenberg, Tobias Keller, Richard F.Katz, Gregor J. Golabek, Taras V. Gerya Earth and Planetary Science Letters Volume 507, 1 February 2019, Pages 154-165 LINK “Highlights • Planetesimal melt transport regimes from coupled models of…
Iron Isotope Constraints on Planetesimal Core Formation in the Early Solar System
Michelle K. Jordan, HaoLan Tang, Issaku E. Kohl, Edward D. Young Geochimica et Cosmochimica Acta LINK “We determined the Fe isotope fractionation between the metal and silicate phases of two aubrite meteorites, Norton County and…
Olivine grain growth in partially molten Fe–Ni–S: A proxy for the genesis of pallasite meteorites
Giulio F.D. Solferino, Gregor J. Golabek Earth and Planetary Science Letters Volume 504, 15 December 2018, Pages 38-52 LINK “Highlights • Olivine grain growth in metal matrix is faster when metal is partially molten. •…
Meteoritic Abundances of Fatty Acids and Potential Reaction Pathways in PlanetesimalsOPEN ACCESS
James C.-Y. Lai, Ben K. D. Pearce, Ralph E. Pudritz, Drake Lee accepted for publication in Icarus PDF (OPEN ACCESS) “The origin of fatty acids on the prebiotic Earth is important as they likely formed…
The formation of Jupiter by hybrid pebble–planetesimal accretionOPEN ACCESS
Yann Alibert, Julia Venturini, Ravit Helled, Sareh Ataiee, Remo Burn, Luc Senecal, Willy Benz, Lucio Mayer, Christoph Mordasini, Sascha P. Quanz & Maria Schönbächler Nature Astronomy (2018) PDF (OPEN ACCESS) LINK “The standard model for…
Silica-rich volcanism in the early solar system dated at 4.565 GaOPEN ACCESS
Poorna Srinivasan, Daniel R. Dunlap, Carl B. Agee, Meenakshi Wadhwa, Daniel Coleff, Karen Ziegler, Ryan Zeigler & Francis M. McCubbin Nature Communications 9, 3036 Published: 02 August 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) Abstract…
The common origin of family and non-family asteroids
Stanley F. Dermott, Apostolos A. Christou, Dan Li, Thomas. J. J. Kehoe & J. Malcolm Robinson Nature Astronomy (2018) LINK “All asteroids are currently classified as either family, originating from the disruption of known bodies1,…
Thermal evolution and sintering of chondritic planetesimals IV. Temperature dependence of heat conductivity of asteroids and meteoritesOPEN ACCESS
Hans-Peter Gail, Mario Trieloff Update (30 July 2018):LINK PDF (OPEN ACCESS) “Understanding the compaction and differentiation of the planetesimals and protoplanets from the Asteroid Belt and the terrestrial planet region of the Solar System requires…
Multi‐stage core formation in planetesimals revealed by numerical modeling and Hf‐W chronometry of iron meteorites
W. Neumann, T. S. Kruijer, D. Breuer, T. Kleine J. Geophys. Res., 123, doi:10.1002/2017JE005411 LINK “Iron meteorites provide some of the most direct insights into the processes and timescales of core formation in planetesimals. Of…
Percolative core formation in planetesimals enabled by hysteresis in metal connectivity
Soheil Ghanbarzadeh, Marc A. Hesse, and Maša Prodanović PNAS 2017 ; published ahead of print December 4, 2017 doi: 10.1073/pnas.1707580114 LINK “Significance It has long been thought that percolative core formation is prevented by high…
Heterogeneous delivery of silicate and metal to the Earth by large planetesimalsOPEN ACCESS
S. Marchi, R. M. Canup & R. J. Walker Nature Geoscience (2017) doi:10.1038/s41561-017-0022-3 Published online: 04 December 2017 LINK (OPEN ACCESS) “After the Moon’s formation, Earth experienced a protracted bombardment by leftover planetesimals. The mass…
Impact splash chondrule formation during planetesimal recyclingOPEN ACCESS
Tim Lichtenberg, Gregor J. Golabek, Cornelis P. Dullemond, Maria Schönbächler, Taras V. Gerya, Michael R. Meyer accepted for publication in Icarus associated blog article (6 Nov 2017) PDF (OPEN ACCESS) “Chondrules are the dominant bulk…
Spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff A&A Volume 606, October 2017 LINK (OPEN ACCESS) “Context. A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of…
The empty primordial asteroid beltOPEN ACCESS
Sean N. Raymond, Andre Izidoro Science Advances 13 Sep 2017: Vol. 3, no. 9, e1701138 DOI: 10.1126/sciadv.1701138 LINK (OPEN ACCESS) PDF (OPEN ACCESS) PDF (OPEN ACCESS) (authors’ version) Blog post by S.N. Raymond “The asteroid…
Identification of a primordial asteroid family constrains the original planetesimal population
Marco Delbo, Kevin Walsh, Bryce Bolin, Chrysa Avdellidou, Alessandro Morbidelli Science 08 Sep 2017: Vol. 357, Issue 6355, pp. 1026-1029 DOI: 10.1126/science.aam6036 LINK “A quarter of known asteroids is associated with more than 100 distinct…
Ejection of Chondrules from Fluffy MatricesOPEN ACCESS
Sota Arakawa Accepted for publication in ApJ Draft version PDF (OPEN ACCESS) update (8 September 2017): LINK The Astrophysical Journal Volume 846, Number 2 “Chondritic meteorites primarily contain millimeter-sized spherical objects, the so-called chondrules; however,…
The spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff accepted by Astronomy & Astrophysics PDF (OPEN ACCESS) “A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of the…
Redox States of Initial Atmospheres Outgassed on Rocky Planets and Planetesimals
Laura Schaefer, Bruce Fegley Jr. The Astrophysical Journal, Volume 843, Number 2 Published 2017, July 12 LINK “The Earth and other rocky planets and planetesimals in the solar system formed through the mixing of materials…
One-pot synthesis of amino acid precursors with insoluble organic matter in planetesimals with aqueous activityOPEN ACCESS
By Yoko Kebukawa, Queenie H. S. Chan, Shogo Tachibana, Kensei Kobayashi, Michael E. Zolensky Science Advances 17 Mar 2017: Vol. 3, no. 3, e1602093 DOI: 10.1126/sciadv.1602093 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The exogenous delivery…
Chondrule Accretion with a Growing ProtoplanetOPEN ACCESS
Yuji Matsumoto, Shoichi Oshino, Yasuhiro Hasegawa, Shigeru Wakita accepted for publication in ApJ Draft version published: 28 February 2017 PDF (OPEN ACCESS) Update (8 March 2017): LINK The Astrophysical Journal, Volume 837, Number 2 “Chondrules…
