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…
Evidence against water delivery by impacts within 10 million years of planetesimal formationOPEN ACCESS
B.G. Rider-Stokes, A. Stephant, M. Anand, I.A. Franchi, X. Zhao, L.F. White, A. Yamaguchi, R.C. Greenwood, S.L. Jackson Earth and Planetary Science LettersVolume 642, 15 September 2024, 118860 LINK (OPEN ACCESS) “Highlights “The quenched (rapidly-cooled)…
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….
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…
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…
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…
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.
Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite
Kaitlyn A. McCain, Nozomi Matsuda, Ming-Chang Liu, Kevin D. McKeegan, Akira Yamaguchi, Makoto Kimura, Naotaka Tomioka, Motoo Ito, Naoya Imae, Masayuki Uesugi, Naoki Shirai, Takuji Ohigashi, Richard C. Greenwood, Kentaro Uesugi, Aiko Nakato, Kasumi Yogata,…
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…
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 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…
Anatomy of rocky planets formed by rapid pebble accretion III. Partitioning of volatiles between planetary core, mantle, and atmosphereOPEN ACCESS
Anders Johansen, Thomas Ronnet, Martin Schiller, Zhengbin Deng, Martin Bizzarro Version accepted for Astronomy & Astrophysics PDF (OPEN ACCESS) “Volatile molecules containing hydrogen, carbon, and nitrogen are key components of planetary atmospheres. In the pebble…
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…
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…
The Effect of a Strong Pressure Bump in the Sun’s Natal Disk: Terrestrial Planet Formation via Planetesimal Accretion Rather than Pebble Accretion
André Izidoro, Bertram Bitsch, and Rajdeep Dasgupta The Astrophysical Journal, Volume 915, Number 1 LINK “Mass-independent isotopic anomalies of carbonaceous and noncarbonaceous meteorites show a clear dichotomy suggesting an efficient separation of the inner and…
The early instability scenario: Mars’ mass explained by Jupiter’s orbitOPEN ACCESS
Matthew S. Clement, Nathan A. Kaib, Sean N. Raymond, John E. Chambers PDF (OPEN ACCESS) IcarusIn Press, Journal Pre-proof, Available online 13 June 2021 LINK “Highlights • Present a large suite of controlled early instability…
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…
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…
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…
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:…
Isotopic evolution of the inner Solar System inferred from molybdenum isotopes in meteoritesOPEN ACCESS
Fridolin Spitzer, Christoph Burkhardt, Gerrit Budde, Thomas S. Kruijer, Alessandro Morbidelli, Thorsten Kleine Accepted for publication in Astrophysical Journal Letters, June 17, 2020 PDF (OPEN ACCESS) “The fundamentally different isotopic compositions of non-carbonaceous (NC) and…
Sticking of dust/ micrometeorite particles on to ices at high impact velocities – Implications for astrochemical ice enrichment
E. Shivakarthik, J.K. Meka, Harish, V.S. Surendra, K.K. Rahul, R. Thombre, H. Hill, S. Vijayan, B. Sivaraman Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Highlights • Reddy tube was…
The Non-carbonaceous–Carbonaceous Meteorite DichotomyOPEN ACCESS
T. Kleine, G. Budde, C. Burkhardt, T. S. Kruijer, E. A. Worsham, A. Morbidelli & F. Nimmo Space Science Reviews, Volume 216, Article number: 55 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The isotopic dichotomy between…
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…
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….
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…
Collisional stripping of planetary crustsOPEN ACCESS
Philip J. Carter, Zoë M. Leinhardt, Tim Elliott, Sarah T. Stewart, Michael J. Walter Accepted for publication in EPSL PDF (OPEN ACCESS) “Geochemical studies of planetary accretion and evolution have invoked various degrees of collisional…
Ureilites Provide a New Model for Planetesimal Formation
Rai N. Downes H. * 80th Annual Meeting of the Meteoritical Society 2017 [#6067] abstract (PDF) “Modelling shows that ureilite parent planetesimal formed from a mixture of Mg- and Fe-rich chondrules with a primary layered…
Testing the chondrule-rich accretion model for planetary embryos using calcium isotopesOPEN ACCESS
Elsa Amsellem, Frédéric Moynier, Emily A. Pringle, Audrey Bouvier, Heng Chen, James M. D. Day PhD Student Conference (PhDSC), l’Institut de Physique du Globe de Paris (IPGP), 13-17 March 2017 PDF (OPEN ACCESS) Update (28…
Sedimentary laminations in the Isheyevo (CH/CBb) carbonaceous chondrite formed by gentle impact-plume sweep-up
Laurence A.J. Garvie, L. Paul Knauth, Melissa A. Morris Icarus In Press, Accepted Manuscript Available online 2 April 2017 LINK see also: Accretional Layers Preserved in a Meteorite Written by Linda M. V. Martel Hawai’i…
Core Formation and Internal Structure of Planetesimals: The Role of Formation Time, Accretion Duration, and Terminal Size
T. Suwa, H. Nagahara 48th Lunar and Planetary Science Conference (2017), Abstract #2130 LINK
The collisional evolution of undifferentiated asteroids and the formation of chondritic meteoroids
Eike Beitz, Jürgen Blum, M. Gabriela Parisi, Josep M. Trigo-Rodríguez Accepted by ApJ PDF (open access) “Most meteorites are fragments from recent collisions experienced in the asteroid belt. In such a hyper-velocity collision, the smaller…
Accretion timescales and style of asteroidal differentiation in an 26Al-poor protoplanetary disk
K.K. Larsen, M. Schiller, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 December 2015 doi:10.1016/j.gca.2015.10.036 LINK “The decay of radioactive 26Al to 26Mg (half-life of 730,000 years) is postulated to…
Early accretion of protoplanets inferred from a reduced inner solar system 26Al inventory
Martin Schiller, James N. Connelly, Aslaug C. Glad, Takashi Mikouchi, Martin Bizzarro Earth and Planetary Science Letters Volume 420, 15 June 2015, Pages 45–54 doi:10.1016/j.epsl.2015.03.028 LINK
