Space weathering acts strongly on the uppermost surface of Ryugu
M Matsuoka, E Kagawa, K Amano… - … Earth & Environment, 2023 - nature.com
Returned samples from Cb-type asteroid (162173) Ryugu exhibit very dark spectra in visible
and near-infrared ranges, generally consistent with the Hayabusa2 observations. A critical …
and near-infrared ranges, generally consistent with the Hayabusa2 observations. A critical …
Comparison of optical spectra between asteroids Ryugu and Bennu: II. High-precision analysis for space weathering trends
Various natural effects gradually alter the surfaces of asteroids exposed to the space
environment. These processes are collectively known as space weathering. The influence of …
environment. These processes are collectively known as space weathering. The influence of …
Space-weathering induced changes in hydrated silicates: A multi-scale study combining visible/infrared spectroscopy and electron microscopy
Investigating the effects of space-weathering on primitive bodies is paramount in assessing
their composition and understanding their history. For this purpose, we conducted 40 keV …
their composition and understanding their history. For this purpose, we conducted 40 keV …
Estimate of water and hydroxyl abundance on asteroid (16) Psyche from JWST data
Our understanding of solar system evolution is closely tied to interpretations of asteroid
composition, particularly the M-class asteroids. These asteroids were initially thought to be …
composition, particularly the M-class asteroids. These asteroids were initially thought to be …
Ultraviolet and Visible Reflectance Spectra of Phobos and Deimos as Measured by the ExoMars‐TGO/NOMAD‐UVIS Spectrometer
JP Mason, MR Patel, M Pajola… - Journal of …, 2023 - Wiley Online Library
Spectroscopic measurements are a powerful tool to investigate the surface composition of
airless bodies and provide clues of their origin. The composition and origin of Phobos and …
airless bodies and provide clues of their origin. The composition and origin of Phobos and …
[HTML][HTML] Investigating the role of incident ion flux in solar wind space weathering of carbon-rich asteroidal regolith via H+ and He+ irradiation of the Murchison …
DL Laczniak, MS Thompson, R Christoffersen… - Icarus, 2024 - Elsevier
We present results from a set of low and high flux 1 keV/amu H+ and He+ irradiation
experiments performed on slabs of the Murchison CM2 carbonaceous chondrite. The low …
experiments performed on slabs of the Murchison CM2 carbonaceous chondrite. The low …
Phyllosilicate decomposition on Bennu due to prolonged surface exposure
Abstract The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith
Explorer (OSIRIS-REx) mission to carbonaceous asteroid (101955) Bennu performed …
Explorer (OSIRIS-REx) mission to carbonaceous asteroid (101955) Bennu performed …
[HTML][HTML] Potassium isotopic compositions and model exposure ages of lunar soils
Abstract Space weathering has long been known to alter the chemical and physical
properties of the surfaces of airless bodies such as the Moon. The isotopic compositions of …
properties of the surfaces of airless bodies such as the Moon. The isotopic compositions of …
Temperature-related Variations of 1064 nm Surface Reflectance on Mercury: Implications for Space Weathering
AN Deutsch, GA Neumann… - The Planetary …, 2024 - iopscience.iop.org
It has been predicted that high equatorial temperatures on Mercury could promote thermal
annealing by Ostwald ripening, where nanophase metal particles (a product of space …
annealing by Ostwald ripening, where nanophase metal particles (a product of space …
Near-ultraviolet absorption distribution of primitive asteroids from photometric surveys-II. Collisional families
Context. Primitive asteroids consisting of mainly phyllosilicates and opaque minerals have
great variation at near-ultraviolet (NUV) wavelengths (0.35–0.5 μm). The absorption in NUV …
great variation at near-ultraviolet (NUV) wavelengths (0.35–0.5 μm). The absorption in NUV …