Exploring the composition of Europa with the upcoming Europa Clipper mission

TM Becker, MY Zolotov, MS Gudipati… - Space Science …, 2024 - Springer
Jupiter's icy moon, Europa, harbors a subsurface liquid water ocean; the prospect of this
ocean being habitable motivates further exploration of the moon with the upcoming NASA …

Water reservoirs in small planetary bodies: meteorites, asteroids, and comets

CMOD Alexander, KD McKeegan, K Altwegg - Space science reviews, 2018 - Springer
Asteroids and comets are the remnants of the swarm of planetesimals from which the
planets ultimately formed, and they retain records of processes that operated prior to and …

The NASA roadmap to ocean worlds

AR Hendrix, TA Hurford, LM Barge, MT Bland… - Astrobiology, 2019 - liebertpub.com
In this article, we summarize the work of the NASA Outer Planets Assessment Group (OPAG)
Roadmaps to Ocean Worlds (ROW) group. The aim of this group is to assemble the scientific …

[LIBRO][B] Soils of the past: an introduction to paleopedology

GJ Retallack - 2008 - books.google.com
It has been 10 years since publication of the first edition ofSoils of the Past. In that time the
subject of paleopedology hasgrown rapidly, and established itself within the mainstream …

Evidence of ammonium salts in comet 67P as explanation for the nitrogen depletion in cometary comae

K Altwegg, H Balsiger, N Hänni, M Rubin… - Nature …, 2020 - nature.com
Cometary comae are generally depleted in nitrogen. The main carriers for volatile nitrogen
in comets are NH3 and HCN. It is known that ammonia readily combines with many acids …

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 …

Extensive water ice within Ceres' aqueously altered regolith: Evidence from nuclear spectroscopy

TH Prettyman, N Yamashita, MJ Toplis, HY McSween… - Science, 2017 - science.org
The surface elemental composition of dwarf planet Ceres constrains its regolith ice content,
aqueous alteration processes, and interior evolution. Using nuclear spectroscopy data …

Dawn arrives at Ceres: Exploration of a small, volatile-rich world

CT Russell, CA Raymond, E Ammannito… - Science, 2016 - science.org
On 6 March 2015, Dawn arrived at Ceres to find a dark, desiccated surface punctuated by
small, bright areas. Parts of Ceres' surface are heavily cratered, but the largest expected …

Localized aliphatic organic material on the surface of Ceres

MC De Sanctis, E Ammannito, HY McSween, A Raponi… - Science, 2017 - science.org
Organic compounds occur in some chondritic meteorites, and their signatures on solar
system bodies have been sought for decades. Spectral signatures of organics have not …

Connecting asteroids and meteorites with visible and near-infrared spectroscopy

FE DeMeo, BJ Burt, M Marsset, D Polishook… - Icarus, 2022 - Elsevier
In this work we identify spectral similarities between asteroids and meteorites. Using spectral
features such as absorption bands and spectral curvature, we identify spectral matches …