Seismic detection of the martian core

SC Stähler, A Khan, WB Banerdt, P Lognonné… - Science, 2021 - science.org
Clues to a planet's geologic history are contained in its interior structure, particularly its core.
We detected reflections of seismic waves from the core-mantle boundary of Mars using …

A framework for the origin and deep cycles of volatiles in rocky exoplanets

R Dasgupta, D Pathak… - Reviews in Mineralogy …, 2024 - pubs.geoscienceworld.org
Since the first discovery of planets in another solar system of our galaxy in the early 90s and
the discovery of 51 Pegassi b, a Jovian-type planet around a Sun-like star in 1995 (Mayor …

Accretion of the Earth—missing components?

K Mezger, M Schönbächler, A Bouvier - Space science reviews, 2020 - Springer
Primitive meteorites preserve the chemical and isotopic composition of the first aggregates
that formed from dust and gas in the solar nebula during the earliest stages of solar system …

The effect of Jupiter's formation on the distribution of refractory elements and inclusions in meteorites

SJ Desch, A Kalyaan… - The Astrophysical Journal …, 2018 - iopscience.iop.org
We present a comprehensive evolutionary model of the Sun's protoplanetary disk,
constructed to resolve the" CAI storage problem" of meteoritics. We predict the abundances …

I/Pu reveals Earth mainly accreted from volatile-poor differentiated planetesimals

W Liu, Y Zhang, FLH Tissot, G Avice, Z Ye, QZ Yin - Science Advances, 2023 - science.org
The observation that mid-ocean ridge basalts had~ 3× higher iodine/plutonium ratios
(inferred from xenon isotopes) compared to ocean island basalts holds critical insights into …

Nucleosynthetic isotope anomalies of zinc in meteorites constrain the origin of Earth's volatiles

R Martins, S Kuthning, BJ Coles, K Kreissig… - Science, 2023 - science.org
Material inherited from different nucleosynthesis sources imparts distinct isotopic signatures
to meteorites and terrestrial planets. These nucleosynthetic isotope anomalies have been …

Early volatile depletion on planetesimals inferred from C–S systematics of iron meteorite parent bodies

MM Hirschmann, EA Bergin… - Proceedings of the …, 2021 - National Acad Sciences
During the formation of terrestrial planets, volatile loss may occur through nebular
processing, planetesimal differentiation, and planetary accretion. We investigate iron …

Primitive asteroids as a major source of terrestrial volatiles

R Martins, EM Morton, S Kuthning, S Goes… - Science …, 2024 - science.org
The origins of Earth's volatiles are debated. Recent studies showed that meteorites display
unique mass-independent isotopic signatures of the volatile element Zn, suggesting that …

[HTML][HTML] Genetic relationships of solar system bodies based on their nucleosynthetic Ti isotope compositions and sub-structures of the solar protoplanetary disk

M Rüfenacht, P Morino, YJ Lai, MA Fehr… - … et Cosmochimica Acta, 2023 - Elsevier
Nucleosynthetic isotope variations are powerful tools to investigate genetic relationships
between meteorite groups and planets. They are instrumental to assess the early evolution …

The case for the angrite parent body as the archetypal first-generation planetesimal: Large, reduced and Mg-enriched

FLH Tissot, M Collinet, O Namur, TL Grove - Geochimica et Cosmochimica …, 2022 - Elsevier
Angrites are silica-undersaturated achondrites formed very early in the history of the Solar
System, and the most volatile-depleted known meteorites. As such, the study of angrites can …