Geophysical Research Letters VOL.51 ISSUE 22 | 18 November 2024
A Critical Core Size for Dynamo Action at the Galilean Satellites
Kevin T Trinh + Carver Jay Bierson + Joseph G O'Rourke
Ganymede is the only known moon with an active dynamo. No mission has discovered intrinsic magnetism at the other Galilean satellites: Io, Europa, and Callisto. A dynamo requires...
Geophysical Research Letters VOL.51 ISSUE 22 | 26 November 2024
Length of Day Variations Explained in a Bayesian Framework
Mostafa Kiani Shahvandi + Benedikt Soja + Jerome Noir ...
Length of Day (LOD) observations in the range 720 BCE to 2020—derived from lunar occultation and eclipse records—feature a secular trend and various long‐period...
Journal of Geophysical Research: Oceans VOL.129 ISSUE 11 | 22 November 2024
Decadal Changes in the Pathways of the Atlantic Water Core in the Arctic Ocean Inferred From Transient Tracers
Wiebke Körtke + Maren Walter + Oliver Huhn ...
The Atlantic Water plays a major and increasing role in the heat budget of the Arctic Ocean (Atlantification). The pathways of Atlantic Water within the Arctic Ocean, and...
Journal of Geophysical Research: Planets VOL.129 ISSUE 11 | 1 November 2024
Infrared Spectroscopy of Lunar Core 73001: Upper Limit on Hydration in a Lunar Sample With No History of Exposure to Terrestrial Water Vapor
Paul G Lucey + Abigail Flom + Andrea Mosie ...
The lunar surface exhibits an absorption band near 3 μm due to hydration, either water or hydroxyl. In most analyses, the band is variable at least in latitude and...
Journal of Geophysical Research: Solid Earth VOL.129 ISSUE 11 | 28 October 2024
Structure and Non‐Ideal Mixing of Fe‐Ni‐S Liquid at High Temperature and Pressure and Its Implication for the Earth's Outer Core Composition
Sajin Satyal + jianwei wang
The effect of light elements (LEs) such as sulfur on the physical properties of liquid iron‐nickel alloy under the earth's outer core conditions is critical for understanding...