A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu

T Noguchi, T Matsumoto, A Miyake, Y Igami… - Nature …, 2023 - nature.com
Without a protective atmosphere, space-exposed surfaces of airless Solar System bodies
gradually experience an alteration in composition, structure and optical properties through a …

[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 …

Simulating asteroid impacts and meteor events by high-power lasers: from the laboratory to spaceborne missions

M Ferus, A Knížek, G Cassone, PB Rimmer… - Frontiers in Astronomy …, 2023 - frontiersin.org
Meteor plasmas and impact events are complex, dynamic natural phenomena. Simulating
these processes in the laboratory is, however, a challenge. The technique of laser induced …

Reflection, emission, and polarization properties of surfaces made of hyperfine grains, and implications for the nature of primitive small bodies

R Sultana, O Poch, P Beck, B Schmitt, E Quirico… - Icarus, 2023 - Elsevier
Solar System small bodies were the first objects to accrete inside the protoplanetary disk,
giving insights into its composition and structure. The P-/D-type asteroids are particularly …

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 …

Spectrally blue hydrated parent body of asteroid (162173) Ryugu

E Tatsumi, N Sakatani, L Riu, M Matsuoka… - Nature …, 2021 - nature.com
Ryugu is a carbonaceous rubble-pile asteroid visited by the Hayabusa2 spacecraft. Small
rubble pile asteroids record the thermal evolution of their much larger parent bodies …

Characterizing the spectral, microstructural, and chemical effects of solar wind irradiation on the Murchison carbonaceous chondrite through coordinated analyses

DL Laczniak, MS Thompson, R Christoffersen… - Icarus, 2021 - Elsevier
We performed H+ and He+ irradiation experiments on slabs of the Murchison CM2 meteorite
to simulate solar wind irradiation of carbonaceous asteroids. Two separate 6 mm× 6 mm …

The effect of progressive space weathering on the organic and inorganic components of a carbonaceous chondrite

MS Thompson, RV Morris, SJ Clemett, MJ Loeffler… - Icarus, 2020 - Elsevier
We performed pulsed laser irradiation to simulate the progressive space weathering of three
individual chips of the CM2 Murchison meteorite. After irradiation, we performed two-step …

Comparison of space weathering spectral changes induced by solar wind and micrometeoroid impacts using ion-and femtosecond-laser-irradiated olivine and …

K Chrbolková, R Brunetto, J Ďurech, T Kohout… - Astronomy & …, 2021 - aanda.org
Context. Space weathering is a process that changes the surface of airless planetary bodies.
Prime space weathering agents are solar wind irradiation and micrometeoroid …

Origin of asteroid (101955) Bennu and its connection to the New Polana family

D Takir, JP Emery, WF Bottke, A Arredondo - Scientific Reports, 2024 - nature.com
The asteroid (142) Polana is classified as a B-type asteroid located in the inner Main Belt.
This asteroid is the parent of the New Polana family, which has been proposed to be the …