planet

Hydrodynamic instability at impact interfaces and planetary implicationsOPEN ACCESS

08/04/2021 14:46 · by karmaka · in impact / impact-structures, planets, stony-irons

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…

Host-star and exoplanet compositions: a pilot study using a wide binary with a polluted white dwarfOPEN ACCESS

11/02/2021 21:06 · by karmaka · in accretion, elemental abundance, planets, sun

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…

A very early origin of isotopically distinct nitrogen in inner Solar System protoplanets

21/01/2021 17:30 · by karmaka · in accretion, early chronology, iron, planets, solar system

Damanveer S. Grewal, Rajdeep Dasgupta & Bernard Marty Nature Astronomy (2021) LINK “Understanding the origin of life-essential volatiles such as nitrogen (N) in the Solar System and beyond is critical to evaluate the potential habitability…

History of the solar nebula from meteorite paleomagnetismOPEN ACCESS

01/01/2021 23:59 · by karmaka · in accretion, paleomagnetism, planets, solar system

Benjamin P. Weiss, Xue-Ning Bai and Roger R. Fu Science Advances 01 Jan 2021:Vol. 7, no. 1, eaba5967DOI: 10.1126/sciadv.aba5967 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials “We review recent advances in our understanding of magnetism…

Formation of Venus, Earth and Mars: Constrained by Isotopes

23/12/2020 13:00 · by karmaka · in accretion, accretion, differentiation, early chronology, Earth, Mars, planets, solar system, Venus

Helmut Lammer, Ramon Brasser, Anders Johansen, Manuel Scherf & Martin Leitzinger Space Science ReviewsPublished: 22 December 2020 LINKUpdate (12 February 2021); PDF (OPEN ACCESS) “Here we discuss the current state of knowledge of terrestrial planet…

Rocklines as Cradles for Refractory Solids in the Protosolar Nebula

25/09/2020 14:19 · by karmaka · in chondrule, early chronology, Mercury, ordinary chondrite, planets, solar system

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…

An assessment of iron isotope fractionation during core formation

03/08/2020 11:42 · by karmaka · in asteroid, differentiation, differentiation, planets

Anat Shahar, Edward D. Young Chemical GeologyVolume 554, 5 November 2020, 119800 LINK “Highlights • Iron isotope fractionation during core formation is a function of many variables.• High pressure and temperature isotope experiments are presented.•…

What is the Oxygen Isotope Composition of Venus? The Scientific Case for Sample Return from Earth’s “Sister” PlanetOPEN ACCESS

12/05/2020 13:12 · by karmaka · in oxygen isotopes, planets, Venus

Richard C. Greenwood & Mahesh Anand Space Science Reviews, Volume 216, Article number: 52 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Venus is Earth’s closest planetary neighbour and both bodies are of similar size and mass….

Precometary organic matter: A hidden reservoir of water inside the snow lineOPEN ACCESS

08/05/2020 11:58 · by karmaka · in asteroid, comet, organic matter, parent body, water

Hideyuki Nakano, Naoki Hirakawa, Yasuhiro Matsubara, Shigeru Yamashita, Takuo Okuchi, Kenta Asahina, Ryo Tanaka, Noriyuki Suzuki, Hiroshi Naraoka, Yoshinori Takano, Shogo Tachibana, Tetsuya Hama, Yasuhiro Oba, Yuki Kimura, Naoki Watanabe & Akira Kouchi Scientific Reports…

The partitioning of the inner and outer Solar System by a structured protoplanetary disk

13/01/2020 17:24 · by karmaka · in accretion, carbonaceous chondrite, early chronology, enstatite chondrite, Jupiter, ordinary chondrite, planets, solar system

R. Brasser & S. J. Mojzsis Nature Astronomy (2020) Published: 13 January 2020 LINK “Mass-independent isotopic anomalies define two cosmochemically distinct regions: the carbonaceous and non-carbonaceous meteorites, implying that the non-carbonaceous (terrestrial) and carbonaceous (Jovian)…

Water vapour in the atmosphere of the habitable-zone eight-Earth-mass planet K2-18 bOPEN ACCESS

11/09/2019 19:18 · by karmaka · in planets, water

Angelos Tsiaras, Ingo P. Waldmann, Giovanna Tinetti, Jonathan Tennyson & Sergey N. Yurchenko Nature Astronomy (2019) PDF (OPEN ACCESS) LINK “In the past decade, observations from space and the ground have found water to be…

Cosmic dust fluxes in the atmospheres of Earth, Mars, and VenusOPEN ACCESS

09/08/2019 13:50 · by karmaka · in meteor/meteoroid/bolide, micrometeorites, planets

Juan Diego Carrillo-Sánchez, Juan Carlos Gómez-Martín, David L. Bones, David Nesvorný, Petr Pokorný, Mehdi Benna, George J. Flynn, John M.C. Plane Icarus Available online 2 August 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The ablation…

Reflectance spectra of synthetic Fe-free ortho- and clinoenstatites in the UV/VIS/IR and implications for remote sensing detection of Fe-free pyroxenes on planetary surfaces

11/04/2018 17:11 · by karmaka · in asteroid, aubrite, enstatite chondrite, planets, surface

Kathrin Markus, Lyuba Moroz, Gabriele Arnold, Daniela Henckel, Harald Hiesinger, Arno Rohrbach, Klemme Stephan Planetary and Space Science Available online 11 April 2018 LINK “Highlights • Even extremely Fe-poor pyroxenes show deep ultraviolet absorption bands….