Upper atmosphere effects after the entry of small cosmic bodies: Dust trains, plumes, and atmospheric disturbances

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N. Artemieva, V.V. Shuvalov, V.M. Khazins Icarus Available online 4 March 2019 LINK “In this paper we present the results of numerical modeling of the Chelyabinsk dust train during the first 3 min after the meteoroid…

Petrography and geochemistry of the impact to postimpact transition layer at the El’gygytgyn impact structure in Chukotka, Arctic RussiaOPEN ACCESS 

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Karin Maierhofer, Christian Koeberl, Julie Brigham‐Grette Meteoritics & Planetary Science First Published: 3 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The 3.6 Ma El’gygytgyn impact structure, located in northeast Chukotka in Arctic Russia, was…

Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034

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Sen Hu, Yangting Lin, Jianchao Zhang, Jialong Hao, Weifan Xing, Ting Zhang, Wei Yang, Hitesh Changela Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Zircons and apatites in clasts and matrix from the…

Reflectance spectroscopy of insoluble organic matter (IOM) and carbonaceous meteorites

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Hannah H. Kaplan, Ralph E. Milliken, Conel M. O’D. Alexander, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Insoluble organic matter (IOM) is the major organic component of chondritic…

Accretion of the asteroids: Implications for their thermal evolution

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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…

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