Mechanical weathering and rock erosion by climate‐dependent subcritical cracking

MC Eppes, R Keanini - Reviews of Geophysics, 2017 - Wiley Online Library
This work constructs a fracture mechanics framework for conceptualizing mechanical rock
breakdown and consequent regolith production and erosion on the surface of Earth and …

Rubble pile asteroids

KJ Walsh - Annual Review of Astronomy and Astrophysics, 2018 - annualreviews.org
The moniker rubble pile is typically applied to all Solar System bodies> 200 m and<∼ 10 km
in diameter; in this size range, there is an abundance of evidence that nearly every object is …

On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective

E Nakamura, K Kobayashi, R Tanaka… - Proceedings of the …, 2022 - jstage.jst.go.jp
Presented here are the observations and interpretations from a comprehensive analysis of
16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 …

The ESA Hera mission: detailed characterization of the DART impact outcome and of the binary asteroid (65803) Didymos

P Michel, M Küppers, AC Bagatin, B Carry… - The planetary …, 2022 - iopscience.iop.org
Hera is a planetary defense mission under development in the Space Safety and Security
Program of the European Space Agency for launch in 2024 October. It will rendezvous in …

The unexpected surface of asteroid (101955) Bennu

DS Lauretta, DN DellaGiustina, CA Bennett, DR Golish… - Nature, 2019 - nature.com
Abstract NASA'S Origins, Spectral Interpretation, Resource Identification and Security-
Regolith Explorer (OSIRIS-REx) spacecraft recently arrived at the near-Earth asteroid …

The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes

S Sugita, R Honda, T Morota, S Kameda, H Sawada… - Science, 2019 - science.org
INTRODUCTION The asteroid 162173 Ryugu is the target of the Japanese Hayabusa2
mission, which is designed to collect samples from Ryugu's surface and return them to Earth …

Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis

DN DellaGiustina, JP Emery, DR Golish, B Rozitis… - Nature …, 2019 - nature.com
Establishing the abundance and physical properties of regolith and boulders on asteroids is
crucial for understanding the formation and degradation mechanisms at work on their …

Fast boulder fracturing by thermal fatigue detected on stony asteroids

A Lucchetti, S Cambioni, R Nakano… - Nature …, 2024 - nature.com
Spacecraft observations revealed that rocks on carbonaceous asteroids, which constitute
the most numerous class by composition, can develop millimeter-to-meter-scale fractures …

Mechanical properties of rubble pile asteroids (Dimorphos, Itokawa, Ryugu, and Bennu) through surface boulder morphological analysis

CQ Robin, A Duchene, N Murdoch, JB Vincent… - Nature …, 2024 - nature.com
Planetary defense efforts rely on estimates of the mechanical properties of asteroids, which
are difficult to constrain accurately from Earth. The mechanical properties of asteroid …

Shape of (101955) Bennu indicative of a rubble pile with internal stiffness

OS Barnouin, MG Daly, EE Palmer, RW Gaskell… - Nature …, 2019 - nature.com
The shapes of asteroids reflect interplay between their interior properties and the processes
responsible for their formation and evolution as they journey through the Solar System. Prior …