[HTML][HTML] Overview of the search for signs of space weathering on the low-albedo asteroid (101955) Bennu

BE Clark, A Sen, XD Zou, DN Dellagiustina, S Sugita… - Icarus, 2023 - Elsevier
This paper summarizes the evidence for the optical effects of space weathering, as well as
the properties of the surface that control optical changes, on asteroid (101955) Bennu. First …

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 …

Comparison of optical spectra between asteroids Ryugu and Bennu: II. High-precision analysis for space weathering trends

K Yumoto, E Tatsumi, T Kouyama, DR Golish, Y Cho… - Icarus, 2024 - Elsevier
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 …

Hydrogen abundance estimation and distribution on (101955) Bennu

A Praet, MA Barucci, BE Clark, HH Kaplan, AA Simon… - Icarus, 2021 - Elsevier
Asteroids were likely a major source of volatiles and water to early Earth. Quantifying the
hydration of asteroids is necessary to constrain models of the formation and evolution of the …

Geologic context of the OSIRIS-REx sample site from high-resolution topography and imaging

OS Barnouin, ER Jawin, RT Daly… - The Planetary …, 2022 - iopscience.iop.org
The OSIRIS-REx spacecraft collected a surface sample from Hokioi crater (55.8 N, 42.3 E;
diameter∼ 20 m) on the asteroid Bennu in 2020 October. We explore the geology of the …

Space-weathering induced changes in hydrated silicates: A multi-scale study combining visible/infrared spectroscopy and electron microscopy

S Rubino, H Leroux, C Lantz, A Aléon-Toppani… - Icarus, 2024 - Elsevier
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 …

OSIRIS-REx Sample Analysis Plan--Revision 3.0

DS Lauretta, HC Connolly Jr, JN Grossman… - arXiv preprint arXiv …, 2023 - arxiv.org
The Origins, Spectral Interpretation, Resource Identification, and Security Regolith Explorer
(OSIRIS-REx) spacecraft arrived at its target, near-Earth asteroid 101955 Bennu, in …

Boulder Diversity in the Nightingale Region of Asteroid (101955) Bennu and Predictions for Physical Properties of the OSIRIS‐REx Sample

ER Jawin, RL Ballouz, AJ Ryan… - Journal of …, 2023 - Wiley Online Library
The sample of asteroid (101955) Bennu was collected from the Nightingale sample site by
the Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer …

Geometry induced bias in the remote near-IR identification of phyllosilicates on space weathered bodies

S Rubino, S Potin, C Lantz, D Baklouti, P Beck… - Icarus, 2022 - Elsevier
Sample return missions Hayabusa2 (JAXA) and OSIRIS-REx (NASA) found evidence of
hydrated silicates on the surface of C and B-type asteroids Ryugu and Bennu. This detection …

Visible–near-infrared observations of organics and carbonates on (101955) Bennu: Classification method and search for surface context

SM Ferrone, BE Clark, HH Kaplan, JL Rizos, XD Zou… - Icarus, 2021 - Elsevier
Abstract The OSIRIS-REx Visible and InfraRed Spectrometer (OVIRS) onboard the Origins,
Spectral Interpretation, Resource Identification, and Security–Regolith Explorer (OSIRIS …