Spacecraft sample collection and subsurface excavation of asteroid (101955) Bennu

DS Lauretta, CD Adam, AJ Allen, RL Ballouz… - Science, 2022 - science.org
Carbonaceous asteroids, such as (101955) Bennu, preserve material from the early Solar
System, including volatile compounds and organic molecules. We report spacecraft imaging …

Evidence for multi-fragmentation and mass shedding of boulders on rubble-pile binary asteroid system (65803) Didymos

M Pajola, F Tusberti, A Lucchetti, O Barnouin… - Nature …, 2024 - nature.com
Asteroids smaller than 10 km are thought to be rubble piles formed from the reaccumulation
of fragments produced in the catastrophic disruption of parent bodies. Ground-based …

Near-zero cohesion and loose packing of Bennu's near subsurface revealed by spacecraft contact

KJ Walsh, RL Ballouz, ER Jawin, C Avdellidou… - Science …, 2022 - science.org
When the OSIRIS-REx spacecraft pressed its sample collection mechanism into the surface
of Bennu, it provided a direct test of the poorly understood near-subsurface physical …

The Lucy Thermal Emission Spectrometer (L'TES) Instrument

PR Christensen, VE Hamilton, GL Mehall… - Space Science …, 2024 - Springer
Abstract The Lucy Thermal Emission Spectrometer (L'TES) will provide remote
measurements of the thermophysical properties of the Trojan asteroids studied by the Lucy …

Variations in color and reflectance on the surface of asteroid (101955) Bennu

DN DellaGiustina, KN Burke, KJ Walsh, PH Smith… - Science, 2020 - science.org
INTRODUCTION The color and reflectance of asteroids can be used to infer their
compositions and histories. Variations in these spectrophotometric properties are driven by …

The Europa Thermal Emission Imaging System (E-THEMIS) Investigation for the Europa Clipper Mission

PR Christensen, JR Spencer, GL Mehall, M Patel… - Space Science …, 2024 - Springer
Abstract The Europa Thermal Emission Imaging System (E-THEMIS) on the Europa Clipper
spacecraft will investigate the temperature and physical properties of Europa using thermal …

Fine-regolith production on asteroids controlled by rock porosity

S Cambioni, M Delbo, G Poggiali, C Avdellidou… - Nature, 2021 - nature.com
Spacecraft missions have observed regolith blankets of unconsolidated subcentimetre
particles on stony asteroids,–. Telescopic data have suggested the presence of regolith …

Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history

HH Kaplan, DS Lauretta, AA Simon, VE Hamilton… - Science, 2020 - science.org
INTRODUCTION Carbonaceous asteroids formed early in Solar System history and
experienced varying degrees of aqueous (water-rock) and thermal alteration. Most models …

Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by OSIRIS‐REx

DS Lauretta, HC Connolly Jr… - … & Planetary Science, 2024 - Wiley Online Library
Abstract On September 24, 2023, NASA's OSIRIS‐REx mission dropped a capsule to Earth
containing~ 120 g of pristine carbonaceous regolith from Bennu. We describe the delivery …

OSIRIS-APEX: an OSIRIS-REx extended mission to asteroid apophis

DN DellaGiustina, MC Nolan, AT Polit… - The Planetary …, 2023 - iopscience.iop.org
Abstract The Origins, Spectral Interpretation, Resource Identification, and Security–Regolith
Explorer (OSIRIS-REx) spacecraft mission characterized and collected a sample from …