The accretion of planet Earth

AN Halliday, RM Canup - Nature Reviews Earth & Environment, 2023 - nature.com
Earth's origins are challenging to elucidate, given the lack of surviving terrestrial geology
from the first 500 Myr of the Solar System. In this Review, we discuss breakthroughs in …

A perspective from extinct radionuclides on a young stellar object: the Sun and its accretion disk

N Dauphas, M Chaussidon - Annual Review of Earth and …, 2011 - annualreviews.org
Meteorites, which are remnants of solar system formation, provide a direct glimpse into the
dynamics and evolution of a young stellar object (YSO), namely our Sun. Much of our …

[PDF][PDF] 3.1 Cosmochemical estimates of mantle composition

HSC O'Neill - 2003 - geol.umd.edu
In 1794, the German physicist EFF Chladni published a small book in which he proposed
the extraterrestrial origin of meteorites. The response was skepticism and disbelief. In the …

The proto-Earth as a significant source of lunar material

J Zhang, N Dauphas, AM Davis, I Leya, A Fedkin - Nature Geoscience, 2012 - nature.com
A giant impact between the proto-Earth and a Mars-sized impactor named Theia is the
favoured scenario for the formation of the Moon,,. Oxygen isotopic compositions have been …

Anomalous 182W in high 3He/4He ocean island basalts: fingerprints of Earth's core?

A Mundl-Petermeier, RJ Walker, RA Fischer… - … et Cosmochimica Acta, 2020 - Elsevier
Abstract The short-lived 182 Hf-182 W isotope system (t 1/2= 9 Ma) left evidence in both
ancient and modern terrestrial rock record of processes that took place during the earliest …

[HTML][HTML] Water delivery and giant impacts in the 'Grand Tack'scenario

DP O'Brien, KJ Walsh, A Morbidelli, SN Raymond… - Icarus, 2014 - Elsevier
A new model for terrestrial planet formation (Hansen [2009]. Astrophys. J., 703, 1131–1140;
Walsh, KJ, et al.[2011]. Nature, 2011, 206–209) has explored accretion in a truncated …

Early Moon formation inferred from hafnium–tungsten systematics

MM Thiemens, P Sprung, ROC Fonseca… - Nature …, 2019 - nature.com
The date of the Moon-forming impact places an important constraint on Earth's origin. Lunar
age estimates range from about 30 Myr to 200 Myr after Solar System formation. Central to …

Highly siderophile elements in Earth's mantle as a clock for the Moon-forming impact

SA Jacobson, A Morbidelli, SN Raymond, DP O'Brien… - Nature, 2014 - nature.com
According to the generally accepted scenario, the last giant impact on Earth formed the
Moon and initiated the final phase of core formation by melting Earth's mantle. A key goal of …

Cluster Difference Imaging Photometric Survey. II. TOI 837: A Young Validated Planet in IC 2602

LG Bouma, JD Hartman, R Brahm… - The Astronomical …, 2020 - iopscience.iop.org
We report the discovery of TOI 837b and its validation as a transiting planet. We characterize
the system using data from the NASA Transiting Exoplanet Survey Satellite mission, the ESA …

Lunar tungsten isotopic evidence for the late veneer

TS Kruijer, T Kleine, M Fischer-Gödde, P Sprung - Nature, 2015 - nature.com
According to the most widely accepted theory of lunar origin, a giant impact on the Earth led
to the formation of the Moon, and also initiated the final stage of the formation of the Earth's …