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Related papers: Global Mg/Si and Al/Si Distributions on Lunar Surf…

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Global lunar chemical maps are essential for understanding the origin and evolution of the Moon, its surface characteristics, and its potential for resource extraction. Lunar elemental abundance maps have been derived using X-ray and gamma…

The Apollo 15 & 16 missions were the first to explore the Lunar surface chemistry by investigating about 10% of the Lunar surface using a remote sensing X-ray fluorescence spectrometer experiment. The data obtained have been extensively…

Earth and Planetary Astrophysics · Physics 2021-06-09 Anniek J. Gloudemans , Erik Kuulkers , Riccardo Campana , Alfredo Escalante , Merlin Kole , Yoan Mollard

Major elements such as Fe, Ti, Mg, Al, Ca, and Si play very important roles in understanding the origin and evolution of the Moon. Previous maps of these major elements derived from orbital data are based on mosaic images or low-resolution…

The X-Ray Spectrometer (XRS) on the MESSENGER spacecraft provided measurements of major-element ratios across Mercury's surface. We present global maps of Mg/Si, Al/Si, S/Si, Ca/Si, and Fe/Si derived from XRS data collected throughout…

Surface chemistry of airless bodies in the solar system can be derived from remote x-ray spectral measurements from an orbiting spacecraft. X- rays from planetary surfaces are excited primarily by solar x-rays. Several experiments in the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 S. Narendranath , P. S. Athiray , P. Sreekumar , V. Radhakrishnaa , A. Tyagi , B. J. Kellett , the CLASS team

This study introduces a data-driven approach using machine learning (ML) techniques to explore and predict albedo anomalies on the Moon's surface. The research leverages diverse planetary datasets, including high-spatial-resolution albedo…

Earth and Planetary Astrophysics · Physics 2024-07-12 Sofia Strukova , Sergei Gleyzer , Patrick Peplowski , Jason P. Terry

A new model has been developed to estimate the dielectric constant of the lunar surface using Synthetic Aperture Radar (SAR) data. Continuous investigation on the dielectric constant of the lunar surface is a high priority task due to…

Instrumentation and Methods for Astrophysics · Physics 2021-05-25 Nidhi Verma , Pooja Mishra , Neetesh Purohit

X-ray spectrometer is one of the satellite payloads on Chang'E-2 satellite. The soft X-ray detector is one of the device on X-ray spectrometer which is designed to detect the major rock-forming elements within 0.5-10keV range on lunar…

Instrumentation and Detectors · Physics 2015-10-28 Hong Xiao , Wenxi Penga , Huanyu Wang , Xingzhu Cui , Dongya Guo

The amount and distribution of water on the lunar surface are related to the input and production of water by solar wind and meteoroid bombardment, balanced by photodestruction and mobility across the surface. Using the Stratospheric…

Earth and Planetary Astrophysics · Physics 2023-02-22 William T. Reach , Paul G. Lucey , Casey I. Honniball , Anicia Arredondo , Erick R. Malaret

The distribution and origin of serpentine on Mars can provide insights into the planet's aqueous history, habitability, and past climate. In this study, we used dynamic aperture factor analysis/target transformation applied to 15,760 images…

Earth and Planetary Astrophysics · Physics 2025-01-27 A. Emran , J. D. Tarnas , K. M. Stack

The content of $\mathrm{OH/H_2O}$ molecules in the tenuous exosphere of the Moon is still an open issue at present. We here report an unprecedented upper limit of the content of the OH radicals, which is obtained from the in-situ…

Earth and Planetary Astrophysics · Physics 2015-06-23 J. Wang , C. Wu , Y. L. Qiu , X. M. Meng , H. B. Cai , L. Cao , J. S. Deng , X. H. Han , J. Y. Wei

Chang'E-4 (CE4), the first mission to soft-land on the lunar farside, provides a unique opportunity for astronomical observations from an environment shielded from terrestrial radio interference, and thus serves as pathfinder for lunar…

Instrumentation and Methods for Astrophysics · Physics 2026-05-11 Jian-Kang Li , Zhen-Zhao Tao , Bo-Lun Huang , Kang-Jiao , Tong-Jie Zhang , Ming-Yuan Wang , Jin-Song Ping , Dan Werthimer , Vishal Gajjar

This chapter presents a comprehensive overview of the abundances and distribution of S, and the processes that control the behavior of S on the Earth's Moon and on Mercury. The two planetary bodies share notable similarities, such as…

Earth and Planetary Astrophysics · Physics 2024-10-25 Christian J. Renggli , Edgar S. Steenstra , Alberto E. Saal

The Low-Frequency Radio Spectrometer (LFRS) is a scientific payload onboard the Chang'e-4 lunar lander launched in December 2018. The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of the Moon for…

Instrumentation and Methods for Astrophysics · Physics 2021-06-23 Xinying Zhu , Yan Su , Yicai Ji , Hongbo Zhang , Bo Zhao , Xiping Xue , Shun Dai , Junduo Li , Chunlai Li

A radiative transfer model was used to reproduce several millions of OMEGA (Observatoire pour la Min\'eralogie, l'Eau, les Glaces et l'Activit\'e) spectra representative of igneous terrains of Mars. This task provided the modal composition…

Earth and Planetary Astrophysics · Physics 2021-02-01 Lucie Riu , François Poulet , Jean-Pierre Bibring , Brigitte Gondet

FERMI-LAT is performing an all-sky gamma-ray survey from 30 MeV to 300 GeV with unprecedented sensitivity and angular resolution. FERMI has detected high-energy gamma rays from the Moon produced by interactions of cosmic rays with the lunar…

Solar and Stellar Astrophysics · Physics 2019-08-14 N. Giglietto

Lunar Laser Ranging (LLR) measurements are crucial for advanced exploration of the laws of fundamental gravitational physics and geophysics. Current LLR technology allows us to measure distances to the Moon with a precision approaching 1…

General Relativity and Quantum Cosmology · Physics 2008-11-26 S. M. Kopeikin , E. Pavlis , D. Pavlis , V. A. Brumberg , A. Escapa , J. Getino , A. Gusev , J. Mueller , W. -T. Ni , N. Petrova

The search for water on the Lunar and Martian surfaces is a fundamental aspect of space exploration, contributing to the understanding of the history and evolution of these celestial bodies. However, the current understanding of the…

Instrumentation and Detectors · Physics 2023-10-13 Olin Lyod Pinto , Jörg Miikael Tiit

On January 20th, 2019, a total lunar eclipse was possible to be observed in Santiago, Chile. Using a smartphone attached to a telescope, photographs of the phenomenon were taken. With Earth's shadow on those images, and using textbook…

Popular Physics · Physics 2020-10-28 Hugo Caerols , Felipe A. Asenjo
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