Magma ocean, water, and the early atmosphere of Venus
The current state and surface conditions of the Earth and its twin planet Venus are drastically
different. Whether these differences are directly inherited from the earliest stages of …
different. Whether these differences are directly inherited from the earliest stages of …
The NC-CC isotope dichotomy: Implications for the chemical and isotopic evolution of the early Solar System
Understanding the formation of our planetary system requires identification of the materials
from which it originated and the accretion processes that produced the planets. The …
from which it originated and the accretion processes that produced the planets. The …
First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu
R Okazaki, YN Miura, Y Takano, H Sawada… - Science …, 2022 - science.org
The Hayabusa2 spacecraft returned to Earth from the asteroid 162173 Ryugu on 6
December 2020. One day after the recovery, the gas species retained in the sample …
December 2020. One day after the recovery, the gas species retained in the sample …
Sulfur oxidation state and solubility in silicate melts
We have determined the solubility of sulfur (S) as sulfide (S2–) for 13 different natural melt
compositions at temperatures of 1473–1773 K under controlled conditions of oxygen and …
compositions at temperatures of 1473–1773 K under controlled conditions of oxygen and …
Nitrogen and carbon fractionation in planetary magma oceans and origin of the superchondritic C/N ratio in the bulk silicate Earth
Volatiles are important for planetary geodynamics, climate, and habitability. The C/N ratio of
the bulk silicate Earth (BSE) is superchondritic, which provides a useful tool for …
the bulk silicate Earth (BSE) is superchondritic, which provides a useful tool for …
Toward a Self-consistent Evaluation of Gas Dwarf Scenarios for Temperate Sub-Neptunes
FE Rigby, L Pica-Ciamarra, M Holmberg… - The Astrophysical …, 2024 - iopscience.iop.org
The recent JWST detections of carbon-bearing molecules in a habitable-zone sub-Neptune
have opened a new era in the study of low-mass exoplanets. The sub-Neptune regime …
have opened a new era in the study of low-mass exoplanets. The sub-Neptune regime …
The distribution of volatile elements during rocky planet formation
Core segregation and atmosphere formation are two of the major processes that redistribute
the volatile elements—hydrogen (H), carbon (C), nitrogen (N), and sulfur (S)—in and around …
the volatile elements—hydrogen (H), carbon (C), nitrogen (N), and sulfur (S)—in and around …
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 …
the discovery of 51 Pegassi b, a Jovian-type planet around a Sun-like star in 1995 (Mayor …
[HTML][HTML] SO2 solubility and degassing behavior in silicate melts
We have determined the S contents of 14 different silicate melts equilibrated with Air/SO 2
mixtures at 1 atm pressure and temperatures of 1473–1773 K in 50 K intervals. Under these …
mixtures at 1 atm pressure and temperatures of 1473–1773 K in 50 K intervals. Under these …
Nitrogen solubility in basaltic silicate melt-Implications for degassing processes
The distribution of nitrogen between the different terrestrial reservoirs (core-mantle-
atmosphere) and how this may have changed since the earliest planetary stages is …
atmosphere) and how this may have changed since the earliest planetary stages is …