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Related papers: Lunar Mantle Structure and Composition Inferred Fr…

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Parameterised by the Love number $k_2$ and the tidal quality factor $Q$, and inferred from lunar laser ranging (LLR), tidal dissipation in the Moon follows an unexpected frequency dependence often interpreted as evidence for a highly…

Earth and Planetary Astrophysics · Physics 2023-08-09 Michaela Walterová , Marie Běhounková , Michael Efroimsky

We derive synthetic electrical conductivity, seismic velocity, and density distributions from the results of martian mantle convection models affected by basin-forming meteorite impacts. The electrical conductivity features an intermediate…

Earth and Planetary Astrophysics · Physics 2021-02-09 Thomas Ruedas , Doris Breuer

Detecting primordial fluctuations from the cosmic dark ages requires extremely large low-frequency radio telescope arrays deployed on the far side of the Moon. The antenna of such an array must be lightweight, easily storable and…

Instrumentation and Methods for Astrophysics · Physics 2024-08-20 Suonanben , Fengquan Wu , Kai He , Shijie Sun , Wei Zhou , Minquan Zhou , Cong Zhang , Jiaqin Xu , Qisen Yan , Shenzhe Xu , Jiacong Zhu , Zhao Wang , Ke Zhang , Haitao Miao , Jixia Li , Yougang Wang , Tianlu Chen , Xuelei Chen

Here we critically examine the geophysical and geochemical properties of the Moon in order to identify the extent to which dynamical scenarios satisfy these observations. New joint inversions of existing lunar geophysical data (mean mass,…

Earth and Planetary Astrophysics · Physics 2025-12-22 Paolo A. Sossi , Miki Nakajima , Amir Khan

The far side of the Moon, shielded from terrestrial radio frequency interference and beyond the influence of Earth's ionosphere, should offer a uniquely quiet environment for radio astronomy and cosmological experiments. The radio sky below…

Instrumentation and Methods for Astrophysics · Physics 2026-02-26 Kaja M. Rotermund , Aritoki Suzuki , Stuart D. Bale , Anže Slosar

We explore the evolution of sub-Neptune (radii between $\sim$1.5 and 4 R$_\oplus$) exoplanet interior structures using our upgraded evolution code, \texttt{APPLE}, which self-consistently couples the thermal and compositional evolution of…

Earth and Planetary Astrophysics · Physics 2026-03-20 Roberto Tejada Arevalo , Akash Gupta , Adam Burrows , Donghao Zheng , Yao Tang , Jie Deng

It is widely accepted that the surface potential of the lunar dayside is "on average" several to 10 V positive due to photoelectron emission in addition to the solar wind plasma precipitation. Recent studies, however, have shown that an…

The Moon is known to have a small liquid core, and it is thought that in the distant past the core may have produced strong magnetic fields recorded in lunar samples. Here we implement a numerical model of lunar orbital and rotational…

Earth and Planetary Astrophysics · Physics 2020-01-08 Matija Ćuk , Douglas P. Hamilton , Sarah T. Stewart

A high-angular momentum giant impact with the Earth can produce a Moon with a silicate isotopic composition nearly identical to that of Earth's mantle, consistent with observations of terrestrial and lunar rocks. However, such an event…

Earth and Planetary Astrophysics · Physics 2020-05-05 William R. Ward , Robin M. Canup , Raluca Rufu

We present radio observations of the Moon between $35$ and $80$ MHz to demonstrate a novel technique of interferometrically measuring large-scale diffuse emission extending far beyond the primary beam (global signal) for the first time. In…

Some icy moons and small bodies in the solar system are believed to host subsurface liquid water oceans. The interaction of these saline, electrically conductive oceans with time-varying external magnetic fields generates induced magnetic…

We use the tidal deformations of the Moon induced by the Earth and the Sun as a tool for studying the inner structure of our satellite. Based on measurements of the degree-two tidal Love numbers k2 and h2 and dissipation coefficients from…

We address the thermal history of the Earth after the Moon-forming impact, taking tidal heating and thermal blanketing by the atmosphere into account. The atmosphere sets an upper bound of ~100 W/m^2 on how quickly the Earth can cool. The…

Earth and Planetary Astrophysics · Physics 2015-08-07 Kevin J. Zahnle , Roxana Lupu , Anthony Dobrovolskis , Norman H. Sleep

Radio interferometers can potentially detect the sky-averaged signal from the Cosmic Dawn (CD) and the Epoch of Reionisation (EoR) by studying the Moon as a thermal block to the foreground sky. The first step is to mitigate the Earth-based…

Instrumentation and Methods for Astrophysics · Physics 2023-12-19 Himanshu Tiwari , Benjamin McKinley , Cathryn M. Trott , Nithyanandan Thyagarajan

Events following the giant impact formation of the Moon are thought to have led to volatile depletion and concurrent mass-dependent fractionation of the isotopes of moderately volatile elements (MVE). The detailed processes and conditions…

Earth and Planetary Astrophysics · Physics 2020-10-16 Elishevah van Kooten , Frédéric Moynier , James Day

The passive retroreflector arrays placed on the moon by Apollo 11, 14 and 15 astronauts continue to produce valuable Earth-Moon range measurements that enable high-precision tests of gravitational physics, as well as studies of geo- and…

Instrumentation and Methods for Astrophysics · Physics 2024-05-20 Sanchit Sabhlok , James B. R. Battat , Nicholas R. Colmenares , Daniel P. Gonzales , Thomas W. Murphy

The Mars thermosphere holds clues to the evolution of the Martian climate, and has practical implications for spacecraft visiting Mars, which often use it for aerobraking upon arrival, or for landers, which must pass through it.…

Earth and Planetary Astrophysics · Physics 2019-01-30 E. M. B. Thiemann , F. G. Eparvier , S. W. Bougher , M. Dominique , L. Andersson , Z. Girazian , M. D. Pilinski , B. Templeman , B. M. Jakosky

The global 21 cm signal from the hyperfine transition of cosmic atomic hydrogen is theorised to track the state of the early Universe via the analysis of its absorption and emission with respect to the radio background. Detecting this…

Instrumentation and Methods for Astrophysics · Physics 2026-02-25 Joe H. N. Pattison , Dominic J. Anstey , Eloy de Lera Acedo

Low radio frequency experiments performed on Earth are contaminated by both ionospheric effects and radio frequency interference (RFI) from Earth-based sources. The lunar farside provides a unique environment above the ionosphere where RFI…

Instrumentation and Methods for Astrophysics · Physics 2020-06-15 Neil Bassett , David Rapetti , Jack O. Burns , Keith Tauscher , Robert MacDowall
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