Ryugu’s observed volatile loss did not arise from impact heating aloneOPEN ACCESS
Kosuke Kurosawa, Ryota Moriwaki, Hikaru Yabuta, Ko Ishibashi, Goro Komatsu & Takafumi Matsui Communications Earth & Environment, Volume 2, Article number: 146 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous asteroids, including Ryugu and Bennu, which…
AMBITION – comet nucleus cryogenic sample returnOPEN ACCESS
D. Bockelée-Morvan, Gianrico Filacchione, Kathrin Altwegg, Eleonora Bianchi, Martin Bizzarro, Jürgen Blum, Lydie Bonal, Fabrizio Capaccioni, Mathieu Choukroun, Claudio Codella, Hervé Cottin, Björn Davidsson, Maria Cristina De Sanctis, Maria N. Drozdovskaya, Cecile Engrand, Marina Galand,…
Asteroid 16 Psyche: Shape, Features, and Global MapOPEN ACCESS
Michael K. Shepard, Katherine de Kleer, Saverio Cambioni, Patrick A. Taylor, Anne K. Virkki, Edgard G. Rívera-Valentin, Carolina Rodriguez Sanchez-Vahamonde, Luisa Fernanda Zambrano-Marin, Christopher Magri, David Dunham The Planetary Science Journal, Volume 2, Number 4Published:…
Geologic History and Crater Morphology of Asteroid (162173) Ryugu Crater morphology and chronology of asteroid Ryugu
Y. Cho, T. Morota, M. Kanamaru, N. Takaki, K. Yumoto, C. M. Ernst, M. Hirabayashi, O. S. Barnouin, E. Tatsumi, K. A. Otto, N. Schmitz, R. J. Wagner, R. Jaumann, H. Miyamoto, H. Kikuchi, R….
Exploring the environments of Martian impact-generated hydrothermal systems and their potential to support lifeOPEN ACCESS
Nisha K. Ramkissoon, Stuart M. R. Turner, Michael C. Macey, Susanne P. Schwenzer, Mark H. Reed, Victoria K. Pearson, Karen Olsson-Francis Meteoritics & Planetary ScienceVersion of Record online: 12 July 2021 LINK (OPEN ACCESS)PDF (OPEN…
Melt inclusions in chassignite NWA 2737: A link between processes recorded in Martian meteorites and rocks at Gale crater
Peiyu Wu, Esteban Gazel, Arya Udry, Jacob B. Setera, Amanda Ostwald Meteoritics & Planetary ScienceVersion of Record online: 10 July 2021 LINK “Northwest Africa (NWA) 2737, one of the only three discovered Martian chassignites, provides…
Survival of presolar p-nuclide carriers in the nebula revealed by stepwise leaching of Allende refractory inclusionsOPEN ACCESS
Bruce L. A. Charlier, François L. H. Tissot, Hauke Vollstaedt, Nicolas Dauphas, Colin J. N. Wilson, Ren T. Marquez Science Advances 09 Jul 2021:Vol. 7, no. 28, eabf6222 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The 87Rb-87Sr…
The astrophysical context of collision processes in meteorites
Yves Marrocchi, Marco Delbo, Matthieu Gounelle Meteoritics & Planetary ScienceVersion of Record online: 09 July 2021 LINK “Chondrites are leftover solids from the early evolution of the solar protoplanetary disk that never experienced melting since…
Impacts on Ceres and Vesta: Source regions, cratering, and fragmentationOPEN ACCESS
Patricio Zain, Romina Di Sisto, Gonzalo de Elia Astronomy & AstrophysicsA&A, Forthcoming article, Accepted: 24 June 2021 PDF (OPEN ACCESS)LINK “We perform a study on the impacts on Ceres and Vesta. We aim to determine…
Spectral diversity of the inner belt primitive asteroid background population
Anicia Arredondo, Humberto Campins, Noemi Pinilla-Alonso, Julia de León, Vania Lorenzi, David Morate, Juan Luis Rizos, Mário De Prá IcarusIn Press, Journal Pre-proof, Available online 9 July 2021 LINK “Highlights • New NIR observations of…
Dark Primitive Asteroids Account for a Large Share of K/Pg-Scale Impacts on the EarthOPEN ACCESS
David Nesvorny, William F. Bottke, Simone Marchi Icarus PDF (OPEN ACCESS) LINK (Update: 15 July 2021) “Highlights • We develop a dynamical model for large near-Earth asteroids to understand the occurrence rate and nature of…
Calculation of a magnetic force acting on small superconducting celestial bodiesOPEN ACCESS
Lukasz Tomkow The European Physical Journal Plus volume 136, Article number: 730 (2021)Published: 08 July 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Recent discoveries of superconducting phases in the samples of meteorites suggest the possibility of…
Minimum perihelion distances and associated dwell times for near-Earth asteroidsOPEN ACCESS
Athanasia Toliou, Mikael Granvik, Georgios Tsirvoulis Monthly Notices of the Royal Astronomical Society, stab1934Published: 08 July 2021 LINK PDF (OPEN ACCESS) (preprint) “The observed near-Earth asteroid population contains very few objects with small perihelion distances,…
Interstellar Now! Missions to Explore Nearby Interstellar Objects
Andreas M. Hein, T. Marshall Eubanks, Manasvi Lingam, Adam Hibberd, Dan Fries, Jean Schneider, Pierre Kervella, Robert Kennedy, Nikolaos Perakis, Bernd Dachwald Advances in Space ResearchAvailable online 7 July 2021 LINK “The recently discovered first…
Tellurium isotope cosmochemistry: Implications for volatile fractionation in chondrite parent bodies and origin of the late veneer
Jan L. Hellmann, Timo Hopp, Christoph Burkhardt, Harry Becker, Mario Fischer-Gödde, Thorsten Kleine Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6 July 2021 LINK “Tellurium stable isotope compositions and abundances (δ128/126Te relative to…
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…
UV-visible-infrared spectral survey of Antarctic carbonaceous chondrite chips
T.Hiroi, H. Kaiden, N. Imae, K. Misawa, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, D.L. Bish, K. Ohtsuka, K.T. Howard, K.R. Robertson, R.E. Milliken Polar ScienceAvailable online 29 June 2021 LINK “Antarctic carbonaceous chondrite…
Laboratory Investigations Coupled to VIR/Dawn Observations to Quantify the Large Concentrations of Organic Matter on CeresOPEN ACCESS
Vassilissa Vinogradoff, Giovanni Poggiali, Andrea Raponi, Mauro Ciarniello, Simone De Angelis, Marco Ferrari, Julie C. Castillo-Rogez, John Brucato, Maria-Cristina De Sanctis Minerals 2021, 11(7), 719Published: 3 July 2021 LINK (OPEN ACCESS)PDF (download) “Organic matter directly…
Regional Photometric Modeling of Asteroid (101955) BennuOPEN ACCESS
D. R. Golish, J.-Y. Li, B. E. Clark, D. N. DellaGiustina, X.-D. Zou, J. L. Rizos, P. H. Hasselmann, C. A. Bennett, S. Fornasier, C. Drouet d’Aubigny, B. Rizk, M. G. Daly, O. S. Barnouin,…
Northwest Africa (NWA) 12563 and ungrouped C2 chondrites: Alteration styles and relationships to asteroids
P.-M. Zanetta, B. Zanda, C.Le Guillou, J. Gattacceca, C. Sognzoni, S. Pont, L. Piani, T. Rigaudier, H. Leroux, R. Brunetto, R. Maupin, Z. Djouadi, S. Bernard, D. Deldicque, V. Malarewicz, Z. Dionnet, A. Aléon-Toppani, A….
Terrestrial planet compositions controlled by accretion disk magnetic fieldOPEN ACCESS
William F. McDonough & Takashi Yoshizaki Progress in Earth and Planetary Science, Volume 8, Article number: 39 (2021)Review LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Terrestrial planets (Mercury, Venus, Earth, and Mars) are differentiated into three layers:…
Statistical Chronometry: Anchors Away!
Desch S. J., Dunlap D. R., Williams C. D., Torrano Z. A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6231) PDF We fit 4 parameters (CAI Pb-Pb ages; solar system initial 53Mn/55Mn,…
The Conspicuous Compound Chondrule-CAI Conundrum: A Case Study Within the Brecciated CM2.2 Lithology of the Carbonaceous Breccia Aguas Zarcas
Martin P. M. C., Lee M. R. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6190) PDF Discovery of a new Compound Chondrule-CAI (CCCAI) within the brecciated CM2.2 lithology of the carbonaceous breccia…
A Temporal Shift of Chondrule Generation from the Inner to Outer Solar System
84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6030) PDF The Al-Mg ages of chondrules from pristine CM and CO chondrites are systematically younger than those of the majority of ordinary chondrite chondrules,…
Oxygen Isotope Reservoirs in the Solar Nebula
Desch S. J., Mane P., Dunham E. T., Williams C. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6244) PDF Our astrophysical model combining magnetic forces on dust during star formation and…
A Xenolith from an Early Formed Parent Body in the CM Carbonaceous Chondrite LaPaz Icefield 02239
Lee M. R., Martin P. M. C., Floyd C. J., Jenkins L. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6176) PDF Why do so few xenoliths in CM carbonaceous chondrites have a…
Timing of lunar Mg-suite magmatism constrained by SIMS U-Pb dating of Apollo norite 78238OPEN ACCESS
Bidong Zhang, Yangting Lin, Desmond E. Moser, Paul H. Warren, Jialong Hao, Ivan R. Barker, Sean R. Shieh, Audrey Bouvier Earth and Planetary Science LettersVolume 569, 1 September 2021 LINK (OPEN ACCESS)PDF (download) “Highlights •…
Cosmic symplectite recorded irradiation by nearby massive stars in the solar system’s parent molecular cloud
Lionel G. Vacher, Ryan C. Ogliore, Clive Jones, Nan Liu, David A. Fike Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 June 2021 LINK “The Sun’s astrophysical birth environment affected the formation and…
Thermal Analysis and Constraints for the MASCOT Landing Site Selection on the Asteroid Ryugu
Barbara Cozzoni, Michael Maibaum, Maximilian Hamm Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 23 June 2021 LINK “Highlights • Application of Thermal Mathematical Models for landing site selection• Day-Night temperature is main criteria…
Hayabusa2 Operation for MASCOT Delivery to Ryugu Surface
Yuya Mimasu, Tatsuaki Okada, Yuto Takei, Takanao Saiki, Tra-Mi Ho, Aurelie Moussi, Yuichi Tsuda Planetary and Space ScienceAvailable online 24 June 2021 LINK “Highlights Hayabusa2 carries several rovers and one lander The lander, named MASCOT,…
Comparison of space weathering features in three particles from Itokawa
K. D. Burgess, R. M. Stroud Meteoritics & Planetary ScienceFirst Published: 23 June 2021 LINK “The return of samples from S-type asteroid 25143 Itokawa have enabled significant improvements in our understanding of space weathering on…
Spectral effects of varying texture and composition in two-component “mudpie” simulations: Insights for Asteroid (101955) BennuOPEN ACCESS
Antara Sen, Beth E. Clark, Edward A. Cloutis, Daniella N. DellaGiustina, Amanda R. Hendrix, Amy A. Simon, Daniel M. Applin, Alexis Parkinson, Nathalie Turenne, Stephanie Connell, Salvatore M. Ferrone, Jian-Yang Li, Lucy F. Lim, Dante…
Spectrophotometric Modeling and Mapping of (101955) BennuOPEN ACCESS
Jian-Yang Li (李荐扬), Xiao-Duan Zou (荐小端), Dathon R. Golish, Beth E. Clark, Salvatore Ferrone, Sonia Fornasier, Pedro H. Hasselmann, Andrew J. Ryan, Benjamin Rozitis, Joshua P. Emery, Matthew A. Siegler, Amy A. Simon, Daniella N….
Visible–near-infrared observations of organics and carbonates on (101955) Bennu: Classification method and search for surface context
S.M. Ferrone, B.E. Clark, H.H. Kaplan, J.-L. Rizos, X.-D. Zou, J.-Y. Li, M.A. Barucci, A.A. Simon, D. Reuter, P.H. Hasselmann, J.D.P. Deshapriya, G. Poggiali, J.R. Brucato, S. Cambioni, Ed Cloutis, V.E. Hamilton, D.S. Lauretta IcarusIn…
The pre-atmospheric hydrogen inventory of CM carbonaceous chondritesOPEN ACCESS
Martin R. Lee, Benjamin E. Cohen, Adrian J. Boyce, Lydia J. Hallis, Luke Daly Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 June 2021 LINK (OPEN ACCESS) “Highlights • Up to half of…
Atomic-scale Evidence for Open-system Thermodynamics in the Early Solar NebulaOPEN ACCESS
Thomas J. Zega, Venkat Rao Manga, Fred Ciesla, Krishna Muralidharan, Keitaro Watanabe and Hiromi Inada The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report a new integrated framework that…
What Can Meteorites Tell Us About the Formation of Jupiter?OPENA ACCESS
Benjamin P. Weiss, William F. Bottke CommentaryAGU AdvancesVolume 2, Issue 2June 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points Meteorite paleomagnetism constrains the lifetime of the solar nebula and therefore the time by which Jupiter…
Calcium isotope cosmochemistry
Maria C. Valdes, Katherine R. Bermingham, Shichun Huang, Justin I. Simon Chemical GeologyInvited Research ArticleIn Press, Journal Pre-proof, Available online 15 June 2021 LINK “The past decade has seen significant advancements in analytical capabilities and…
Analysis of Mission Opportunities to Sedna in 2029-2034
V.A. Zubko, A.A. Sukhanov, K.S. Fedyaev, V.V. Koryanov, A.A. Belyaev Advances in Space ResearchAvailable online 16 June 2021 LINK “Highlights • Deep space mission challenges.• Long-duration space missions.• Space missions concepts for future generations.• Trans-Neptunian…
The characterization and distribution of polygonal impact craters on Ceres and their implications for the Cerean crust
Michael F. Zeilnhofer, Nadine G. Barlow IcarusIn Press, Journal Pre-proof, Available online 16 June 2021 LINK “Highlights • A polygonal crater database for Ceres was created in this study.• 1466 polygonal impact craters (PICs) are…
Fast, computer-assisted detection of dust and debris impact craters on Stardust interstellar foils
Bradley T. De Gregorio, Jessica Opsahl-Ong, Lysa Chizmadia, Todd H. Brintlinger, Andrew J. Westphal, Rhonda M. Stroud Meteoritics & Planetary ScienceVersion of Record online: 14 June 2021 LINK “The NASA Stardust Interstellar Dust collection provides…
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…
The Detectability Limit of Organic Molecules within Mars South Polar Laboratory Analogues
J. D. Campbell, B. Schmitt, O. Brissaud, J-P. Muller Journal of Geophysical ResearchFirst Published: 10 June 2021 LINK “Key Points A new spectrum diagnostic of Polycyclic Aromatic Hydrocarbons (PAHs) pertinent to Mars has been produced…
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…
Lunar samples record an impact 4.2 billion years ago that may have formed the Serenitatis BasinOPEN ACCESS
Ana Černok, Lee F. White, Mahesh Anand, Kimberly T. Tait, James R. Darling, Martin Whitehouse, Katarina Miljković, Myriam Lemelin, Steven M. Reddy, Denis Fougerouse, William D. A. Rickard, David W. Saxey & Rebecca Ghent Communications…
Exogenous copper sulfide in returned asteroid Itokawa regolith grains are likely relicts of prior impacting bodyOPEN ACCESS
Katherine D. Burgess & Rhonda M. Stroud Communications Earth & Environment, Volume 2, Article number: 115 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples from asteroid 25143 Itokawa returned by the Hayabusa mission have been identified…
Geochemistry and Cosmochemistry of potassium stable isotopes
Kun Wang, Weiqiang Li, Shilei Li, Zhen Tian, Piers Koefoed, Xin-Yuan Zheng INVITED REVIEW GeochemistryIn Press, Journal Pre-proof, Available online 9 June 2021 LINK “Stable potassium isotopes are one of the emerging non-traditional isotope systems…
How much water was delivered from the asteroid belt to the Earth after its formation?OPEN ACCESS
Rebecca G. Martin, Mario Livio Accepted for publication in MNRAS Letters PDF (OPEN ACCESS) “The Earth contains between one and ten oceans of water, including water within the mantle, where one ocean is the mass…
Applications of Mössbauer Spectroscopy in Meteoritical and Planetary Science, Part II: Differentiated Meteorites, Moon, and MarsOPEN ACCESS
Alevtina A. Maksimova, Michael V. Goryunov, Michael I. Oshtrakh Minerals 2021, 11(6), 612 LINK (OPEN ACCESS)PDF (download) “Mössbauer (nuclear γ-resonance) spectroscopy is a powerful technique which is actively used in various fields from physics and…
Asteroid break-ups and meteorite delivery to Earth the past 500 million yearsOPEN ACCESS
Fredrik Terfelt and Birger Schmitz PNAS June 15, 2021 118 (24) LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The meteoritic material falling on Earth is believed to derive from large break-up or cratering events in…
Analytical protocols for Phobos regolith samples returned by the Martian Moons eXploration (MMX) missionOPEN ACCESS
Wataru Fujiya, Yoshihiro Furukawa, Haruna Sugahara, Mizuho Koike, Ken-ichi Bajo, Nancy L. Chabot, Yayoi N. Miura, Frederic Moynier, Sara S. Russell, Shogo Tachibana, Yoshinori Takano, Tomohiro Usui & Michael E. Zolensky Earth, Planets and Space…
Geochemical Characterization of the NWA 11273 Lunar Meteorite Using Nondestructive Analytical Techniques: Original, Shocked, and Alteration Mineral Phases
Jennifer Huidobro, Julene Aramendia, Gorka Arana, Juan Manuel Madariaga ACS Earth and Space ChemistryPublication Date: May 27, 2021 LINK “A lunar feldspathic breccia meteorite, the Northwest Africa (NWA) 11273, was analyzed to compensate the lack…
Evidence for protosolar graphene in Allende and QUE 94366 CV3 meteorites
Chaitanya Giri, Andrew Steele, Marc Fries Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 27 May 2021 LINK “Highlights o Nanoscale graphene is found embedded in refractory inclusions of two different CV3 meteorites, Allende…
Rotational states and shapes of Ryugu and Bennu: Implications for interior structure and strength
J.H. Roberts, O.S. Barnouin, M.G. Daly, K.J. Walsh, M.C. Nolan, R.T. Daly, P. Michel, Y. Zhang, M.E. Perry, G.A. Neumann, J.A. Seabrook, R.W. Gaskell, E.E. Palmer, J.R. Weirich, S. Watanabe, N. Hirata, Na. Hirata, S….
The brittle boulders of dwarf planet CeresOPEN ACCESS
Stefan Schröder, Uri Carsenty, Ernst Hauber, Carol Raymond, Christopher Russell Accepted by the Planetary Science Journal PDF (OPEN ACCESS) Update (15 June 2021): The Planetary Science Journal, Volume 2, Number 3LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
The Surface of (16) Psyche from Thermal Emission and Polarization MappingOPEN ACCESS
Katherine de Kleer, Saverio Cambioni, Michael Shepard To be published in Planetary Science Journal PDF (OPEN ACCESS) “The asteroid (16) Psyche is the largest of the M-type asteroids, which have been hypothesized to be the…
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….
Hydrodynamic escape of an impact-generated reduced proto-atmosphere on EarthOPEN ACCESS
Tatsuya Yoshida, Kiyoshi Kuramoto Monthly Notices of the Royal Astronomical SocietyPublished: 21 May 2021 LINK (OPEN ACCESS) “Recent cosmochemical studies have shown that most of Earth’s building blocks were close to enstatite meteorites in isotopic…
Origin of hydrogen isotopic variations in chondritic water and organicsOPEN ACCESS
Laurette Piani, Yves Marrocchi, Lionel G. Vacher, Hisayoshi Yurimoto, Martin Bizzarro Earth and Planetary Science LettersVolume 567, 1 August 2021 LINK Update (25 May 2021): PDF (OPEN ACCESS) “Highlights • The water D/H ratios are…
The Tarda Meteorite: A Window into the Formation of D-type Asteroids
Yves Marrocchi, Guillaume Avice, and Jean-Alix Barrat The Astrophysical Journal Letters, Volume 913, Number 1Published: 19 May 2021 LINK “Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn’s orbit and represent…
Silicon and Oxygen Isotope Evolution of the Inner Solar SystemOPEN ACCESS
Ryoji Tanaka, Christian Potiszil and Eizo Nakamura The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Enstatite chondrites have been regarded as major building blocks of the Earth and other differentiated…
Asteroid Magnetization from the Early Solar WindOPEN ACCESS
Atma Anand, Jonathan Carroll-Nellenback, Eric G. Blackman, John A. Tarduno submitted to MNRAS PDF (OPEN ACCESS) “Magnetic fields provide an important probe of the thermal, material, and structural history of planetary and sub-planetary bodies. Core…
Gaseous atomic nickel in the coma of interstellar comet 2I/BorisovOPEN ACCESS
Piotr Guzik & Michał Drahus Nature volume 593, pages 375–378 (2021) LINK PDF (OPEN ACCESS) Accepted manuscript with minor post-acceptance corrections “On 31 August 2019, an interstellar comet was discovered as it passed through the…
Iron and nickel atoms in cometary atmospheres even far from the Sun
J. Manfroid, D. Hutsemékers & E. Jehin Nature 593 , 372–374 LINK “In comets, iron and nickel are found in refractory dust particles or in metallic and sulfide grains. So far, no iron- or nickel-bearing…
Impacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodiesOPEN ACCESS
Minami Yasui, Taku Tazawa, Ryohei Hashimoto, Masahiko Arakawa & Kazunori Ogawa Communications Earth & Environment, Volume 2, Article number: 95 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chemical reactions on asteroid parent bodies, such as aqueous…
The In Situ Exploration of a Relict Ocean World: An Assessment of Potential Landing and Sampling Sites for a Future Mission to the Surface of CeresOPEN ACCESS
Jennifer E. C. Scully, Samantha R. Baker, Julie C. Castillo-Rogez and Debra L. Buczkowski The Planetary Science Journal, Volume 2, Number 3Published: 10 May, 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Dawn orbiter’s exploration of…
Constraints on Chondrule Generation, Disk Dynamics, and Asteroid Accretion from the Compositions of Carbonaceous Meteorites
James F. J. Bryson and Gregory A. Brennecka The Astrophysical Journal, Volume 912, Number 2 LINK The elemental and isotopic compositions of meteorites are expected to reflect several key processes that occurred in the early…
Dynamical evolution of the inner asteroid belt
Stanley F Dermott, Dan Li, Apostolos A Christou, Thomas J J Kehoe, Carl D Murray, J Malcolm Robinson Monthly Notices of the Royal Astronomical SocietyPublished: 17 May 2021 LINK “A determination of the dynamical evolution…
The Main Asteroid Belt: The Primary Source of Debris on Comet-like OrbitsOPEN ACCESS
P. M. Shober, E. K. Sansom, P. A. Bland, H. A. R. Devillepoix, M. C. Towner, M. Cupák, R. M. Howie, B. A. D. Hartig and S. L. Anderson The Planetary Science JournalPublished: 2021 May…
Solar noble gases in an iron meteorite indicate terrestrial mantle signatures derive from Earth’s coreOPEN ACCESS
Manfred Vogt, Mario Trieloff, Ulrich Ott, Jens Hopp & Winfried H. Schwarz Communications Earth & Environment 2 , 1–7 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Noble gases are important tracers of planetary accretion and acquisition of…
Constraining the Regolith Composition of Asteroid (16) Psyche via Laboratory Near-infrared SpectroscopyOPEN ACCESS
David C. Cantillo, Vishnu Reddy, Benjamin N.L. Sharkey, Neil A. Pearson, Juan A. Sanchez, Matthew R.M. Izawa, Theodore Kareta, Tanner S. Campbell, Om Chabra The Planetary Science Journal, Volume 2, Number 3, published 12 May…
High‐Temperature VIS‐IR Spectroscopy of NH4‐Phyllosilicates
S. De Angelis, M. Ferrari, M.C. De Sanctis, E. Ammannito, A. Raponi, M. Ciarniello Journal of Geophysical ResearchFirst published: 10 May 2021 LINK “Ammonium phyllosilicates have been identified on the dwarf planet Ceres, thanks to…
Paleointensity and Rock Magnetism of Martian Nakhlite Meteorite Miller Range (MIL) 03346: Evidence for Intense Small Scale Crustal Magnetization on Mars
Michael Volk, Roger Fu, Anna Mittelholz, James M.D. Day Journal of Geophysical ResearchFirst published: 11 May 2021 LINK “The martian dynamo’s strength and duration are essential for understanding Mars’ habitability and deep interior dynamics. Although…
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…
Martian meteorites reflectance and implications for rover missions
L. Mandon, P. Beck, C. Quantin-Nataf, E. Dehouck, A. Pommerol, Z. Yoldi, R. Cerubini, L. Pan, M. Martinot, V. Sautter IcarusIn Press, Journal Pre-proof, Available online 6 May 2021 LINK “Highlights • We provide the…
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…
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)…
The impact and recovery of asteroid 2018 LAOPEN ACCESS
Peter Jenniskens, Mohutsiwa Gabadirwe, Qing‐Zhu Yin, Alexander Proyer, Oliver Moses, Tomas Kohout, Fulvio Franchi, Roger L. Gibson, Richard Kowalski, Eric J. Christensen, Alex R. Gibbs, Aren Heinze, Larry Denneau, Davide Farnocchia, Paul W. Chodas, William…
Discovery of primitive CO2-bearing fluid in an aqueously altered carbonaceous chondriteOPEN ACCESS
Akira Tsuchiyama, Akira Miyake, Satoshi Okuzumi, Akira Kitayama, Jun Kawano, Kentaro Uesugi, Akihisa Takeuchi, Tsukasa Nakano, Michael Zolensky Science Advances, 21 Apr 2021:Vol. 7, no. 17, eabg9707DOI: 10.1126/sciadv.abg9707 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials…
Accretion and differentiation of early planetary bodies as recorded in the composition of the silicate Earth
Klaus Mezger, Alessandro Maltese, Hauke Vollstaedt IcarusIn Press, Journal Pre-proof, Available online 21 April 2021 LINK “Highlights • Element abundances in silicate Earth are the result of accretion of three major chemically and isotopically different…
Cosmogenic 44Ti in meteorites – a divergence with 14C and 10Be data
M. G. Ogurtsov Advances in Space ResearchAvailable online: 20 April 2021 LINK “A record of 44Ti activity measured in 20 stony meteorites fallen during AD 1766-2001 was compared to six series of 44Ti activity, calculated…
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…
Meteor showers from known long-period comets
Peter Jenniskens, Dante S. Lauretta, Martin C. Towner, Steve Heathcote, Steve Heathcote, Emmanuel Jehin, Toni Hanke, Tim Cooper, Jack W. Baggaley, J. Andreas Howell, Carl Johannink, Martin Breukers, Mohammad Odeh, Nicholas Moskovitz, Luke Juneau, Tim…
Manganese oxides in Martian meteorites Northwest Africa (NWA) 7034 and 7533OPEN ACCESS
Yang Liu, Woodward W. Fischer, Chi Ma, John R. Beckett, Oliver Tschauner, Yunbin Guan, Usha F. Lingappa, Samuel M. Webb, Vitali B. Prakapenka, Nina L. Lanza, Carl B. Agee IcarusAvailable online: 20 April 2021 LINK…
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…
Geology of the Chang’e-5 landing site: Constraints on the sources of samples returned from a young nearside mare
Le Qiao, Jian Chen, Luyuan Xu, Sheng Wan, Haijun Cao, Bo Li, Zongcheng Ling IcarusAvailable online 18 April 2021 LINK “Highlights • Detailed geological characteristics of the local landing area have been presented• Multiple identified…
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)…
Oxygen isotope systematics of crystalline silicates in a giant cluster IDP: A genetic link to Wild 2 particles and primitive chondrite chondrules
Mingming Zhang, Céline Defouilloy, David J. Joswiak, Donald E. Brownlee, Daisuke Nakashima, Guillaume Siron, Kouki Kitajima, Noriko T. Kita Earth and Planetary Science LettersVolume 564, 15 June 2021, 116928 LINK “Highlights • Five out of…
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…
End of magmatism in the upper crust of asteroid 4 Vesta
F. Jourdan, L. Forman, T. Kennedy, G. K. Benedix, E. Eroglu, C. Mayers Meteoritics & Planetary ScienceVersion of Record online: 30 March 2021 LINK “Asteroid 4 Vesta is the only largely preserved differentiated asteroid and…
Uniform oxygen fugacity of shergottite mantle sources and an oxidized martian lithosphere
Robert W. Nicklas, James M.D. Day, Zoltan Vaci, Arya Udry, Yang Liu, Kimberly T. Tait Earth and Planetary Science LettersVolume 564, 15 June 2021 LINK “Highlights • fO2 of eight SNCs measured using V-in-olivine oxybarometry.•…
Temporally limited late accretion after core formation in the Moon
James M. D. Day, Marine Paquet Meteoritics & Planetary ScienceVersion of Record online: 24 March 2021 LINK “Highly siderophile element (HSE: Au, Re, Pd, Pt, Rh, Ru, Ir, Os) abundances in planetary silicate mantles provide…
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…
Isotopic evidence for the formation of the Moon in a canonical giant impactOPEN ACCESS
Sune G. Nielsen, David V. Bekaert & Maureen Auro Nature Communications, Volume 12, Article number: 1817 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Isotopic measurements of lunar and terrestrial rocks have revealed that, unlike any other…
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….
Fragmentation of the Tunguska cosmic body
O.G.Gladysheva Planetary and Space ScienceAvailable online 10 March 2021 LINK “Highlights Layers of the cometary nucleus are separated by refractory airtight shells. The fragmentation of comets connected with the sublimation of water and volatiles. The…
Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing
Yoko Kebukawa, Sachio Kobayashi, Noriyuki Kawasaki, Ying Wang, Hisayoshi Yurimoto, George D. Cody Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “The large variations in hydrogen isotope ratios found in insoluble organic…
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…
Impacts on the Moon: analysis methods and size distribution of impactors
Chrysa Avdellidou, Edhah Munaibari, Raven Larson, Jeremie Vaubaillon, Marco Delbo, Paul Hayne, Mark Wieczorek, Daniel Sheward, Antony Cook Planetary and Space ScienceAvailable online 4 March 2021 LINK “We are preparing a telescope system to carry…
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,…
Large sulfur isotope fractionation in lunar volcanic glasses reveals the magmatic differentiation and degassing of the MoonOPEN ACCESS
Alberto E. Saal, Erik H. Hauri Science Advances 24 Feb 2021:Vol. 7, no. 9, eabe4641DOI: 10.1126/sciadv.abe4641 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Sulfur isotope variations in mantle-derived lavas provide important constraints on the evolution of planetary…
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…
Chemolithotrophy on the Noachian Martian breccia NWA 7034 via experimental microbial biotransformationOPEN ACCESS
Tetyana Milojevic, Mihaela Albu, Denise Kölbl, Gerald Kothleitner, Robert Bruner & Matthew L. Morgan Communications Earth & Environment 2 , 1–10 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Multiple lines of evidence indicate an active hydrogeological history…
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…
Breakup of a long-period comet as the origin of the dinosaur extinctionOPEN ACCESS
Amir Siraj & Abraham Loeb Scientific Reports, Volume 11, Article number: 3803 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin of the Chicxulub impactor, which is attributed as the cause of the K/T mass extinction…
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…
Widespread tissintite in strongly shock‐lithified lunar regolith breccias
Ai‐Cheng Zhang, Qin‐Ting Jiang, Naotaka Tomioka, Yan‐Jun Guo, Jia‐Ni Chen, Yang Li, Naoya Sakamoto, Hisayoshi Yurimoto Geophysical Research LettersFirst published: 06 February 2021 LINK “Shock‐lithification is a fundamental process of making rocks from fine‐grained and…
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…
EXAFS Determination of Clay Minerals in Martian Meteorite Allan Hills 84001 and Its Implication for the Noachian Aqueous EnvironmentOPEN ACCESS
Ryoichi Nakada, Gaku Tanabe, Iori Kajitani, Tomohiro Usui, Masashi Shidare and Tetsuya Yokoyama Minerals 2021, 11(2), 176 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The aqueous environment of ancient Mars is of significant interest because of evidence suggesting…
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…
What Have We Learned About the Interior and Surface of Mars from Martian Meteorites
Udry A., Howarth G. H., Herd C. D. K., Day J. M. D., Lapen T. K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1046 PDF “Martian meteorites are the only samples that…
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…
