Light elements in the Earth's core

K Hirose, B Wood, L Vočadlo - Nature Reviews Earth & Environment, 2021 - nature.com
Constraining the core's composition is essential for understanding Earth accretion, core
formation and the sustainment of Earth's magnetic field. Earth's outer and inner core exhibit …

Achievements and prospects of global broadband seismographic networks after 30 years of continuous geophysical observations

AT Ringler, RE Anthony, RC Aster… - Reviews of …, 2022 - Wiley Online Library
Global seismographic networks (GSNs) emerged during the late nineteenth and early
twentieth centuries, facilitated by seminal international developments in theory, technology …

First observations of core-transiting seismic phases on Mars

JCE Irving, V Lekić, C Durán… - Proceedings of the …, 2023 - National Acad Sciences
We present the first observations of seismic waves propagating through the core of Mars.
These observations, made using seismic data collected by the InSight geophysical mission …

Seismic detection of a deep mantle discontinuity within Mars by InSight

Q Huang, NC Schmerr, SD King… - Proceedings of the …, 2022 - National Acad Sciences
Constraining the thermal and compositional state of the mantle is crucial for deciphering the
formation and evolution of Mars. Mineral physics predicts that Mars' deep mantle is …

Thermal conductivity of Fe-Si alloys and thermal stratification in Earth's core

Y Zhang, K Luo, M Hou, P Driscoll… - Proceedings of the …, 2022 - National Acad Sciences
Light elements in Earth's core play a key role in driving convection and influencing
geodynamics, both of which are crucial to the geodynamo. However, the thermal transport …

Satellite magnetic data reveal interannual waves in Earth's core

N Gillet, F Gerick, D Jault… - Proceedings of the …, 2022 - National Acad Sciences
The Earth's magnetic field displays variations on a broad range of time scales, from years to
hundreds of millions of years. The last two decades of global and continuous satellite …

Rapid variations of Earth's core magnetic field

V Lesur, N Gillet, MD Hammer, M Mandea - Surveys in Geophysics, 2022 - Springer
Evidence of fast variations in the Earth's core field are seen both in magnetic observatory
and satellite records. We present here how they have been identified at the Earth's surface …

[HTML][HTML] Core formation, mantle differentiation and core-mantle interaction within Earth and the terrestrial planets

RG Trønnes, MA Baron, KR Eigenmann, MG Guren… - Tectonophysics, 2019 - Elsevier
The terrestrial planets accreted from a diverse suite of solar system materials ranging from
strongly O-deficient materials similar to enstatite chondrites via ordinary chondrite materials …

Planetary seismology as a test of modified gravity proposals

A Kozak, A Wojnar - Physical Review D, 2023 - APS
We demonstrate that it is possible to test models of gravity, such as Palatini f (R) and
Eddington-inspired Born-Infeld models, using seismic data from Earth. By incorporating …

Regional stratification at the top of Earth's core due to core–mantle boundary heat flux variations

J Mound, C Davies, S Rost, J Aurnou - Nature Geoscience, 2019 - nature.com
Earth's magnetic field is generated by turbulent motion in its fluid outer core. Although the
bulk of the outer core is vigorously convecting and well mixed, some seismic, geomagnetic …