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 …

Inferring interiors and structural history of top-shaped asteroids from external properties of asteroid (101955) Bennu

Y Zhang, P Michel, OS Barnouin, JH Roberts… - Nature …, 2022 - nature.com
Asteroid interiors play a key role in our understanding of asteroid formation and evolution.
As no direct interior probing has been done yet, characterisation of asteroids' interiors relies …

Numerical simulations suggest asteroids (101955) Bennu and (162173) Ryugu are likely second or later generation rubble piles

KJ Walsh, RL Ballouz, WF Bottke, C Avdellidou… - Nature …, 2024 - nature.com
Rubble pile asteroids are widely understood to be composed of reaccumulated debris
following a catastrophic collision between asteroids in the main asteroid belt, where each …

Anticipated geological assessment of the (65803) didymos–dimorphos system, target of the DART–LICIACube mission

M Pajola, OS Barnouin, A Lucchetti… - The Planetary …, 2022 - iopscience.iop.org
On 2022 September 26, the DART spacecraft will impact the surface of Dimorphos, the∼
160 m size satellite of the binary near-Earth asteroid (NEA)(65803) Didymos. What will be …

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 …

The formation of terraces on asteroid (101955) Bennu

OS Barnouin, MG Daly, JA Seabrook… - Journal of …, 2022 - Wiley Online Library
The surface of the rubble‐pile asteroid (101955) Bennu has been characterized in detail by
the OSIRIS‐REx (Origins, Spectral Interpretation, Resource Identification, and Security …

Simulating impact-induced shaking as a triggering mechanism for mass movements on Bennu

Y Tang, DS Lauretta, RL Ballouz, DN DellaGiustina… - Icarus, 2023 - Elsevier
Observations of near-Earth asteroid Bennu have revealed a dynamic surface composed of
unconsolidated material. The OSIRIS-REx (Origins, Spectral Interpretation, Resource …

Curation planning and facilities for asteroid Bennu samples returned by the OSIRIS‐RE x mission

K Righter, NG Lunning… - … & Planetary Science, 2023 - Wiley Online Library
NASA's OSIRIS‐REx spacecraft collected samples from carbonaceous near‐Earth asteroid
(101955) Bennu on October 20, 2020, and will deliver them to the Earth on September 24 …

Planetary geologic maps: Essential tools for scientific inquiry and space exploration

JW Luna, W Iqbal, H Bernhardt… - Journal of …, 2024 - Wiley Online Library
Planetary geologic maps are crucial tools for understanding the geological features and
processes of solid bodies in the Solar System. Over the past six decades, best practices in …

Phyllosilicate decomposition on Bennu due to prolonged surface exposure

RD Hanna, VE Hamilton, CH Haberle, HH Kaplan… - Icarus, 2024 - Elsevier
Abstract The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith
Explorer (OSIRIS-REx) mission to carbonaceous asteroid (101955) Bennu performed …