[HTML][HTML] Origins of building blocks of life: A review
N Kitadai, S Maruyama - Geoscience Frontiers, 2018 - Elsevier
How and where did life on Earth originate? To date, various environments have been
proposed as plausible sites for the origin of life. However, discussions have focused on a …
proposed as plausible sites for the origin of life. However, discussions have focused on a …
The search for chiral asymmetry as a potential biosignature in our solar system
The search for evidence of extraterrestrial life in our Solar System is currently guided by our
understanding of terrestrial biology and its associated biosignatures. The observed …
understanding of terrestrial biology and its associated biosignatures. The observed …
Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites
The lack of pyrimidine diversity in meteorites remains a mystery since prebiotic chemical
models and laboratory experiments have predicted that these compounds can also be …
models and laboratory experiments have predicted that these compounds can also be …
Macromolecular organic matter in samples of the asteroid (162173) Ryugu
Samples of the carbonaceous asteroid (162173) Ryugu were collected and brought to Earth
by the Hayabusa2 spacecraft. We investigated the macromolecular organic matter in Ryugu …
by the Hayabusa2 spacecraft. We investigated the macromolecular organic matter in Ryugu …
Hayabusa2 Mission Overview
S Watanabe, Y Tsuda, M Yoshikawa, S Tanaka… - Space Science …, 2017 - Springer
The Hayabusa2 mission journeys to C-type near-Earth asteroid (162173) Ryugu (1999 JU
3) to observe and explore the 900 m-sized object, as well as return samples collected from …
3) to observe and explore the 900 m-sized object, as well as return samples collected from …
The provenances of asteroids, and their contributions to the volatile inventories of the terrestrial planets
Determining the source (s) of hydrogen, carbon, and nitrogen accreted by Earth is important
for understanding the origins of water and life and for constraining dynamical processes that …
for understanding the origins of water and life and for constraining dynamical processes that …
Understanding prebiotic chemistry through the analysis of extraterrestrial amino acids and nucleobases in meteorites
The discoveries of amino acids of extraterrestrial origin in many meteorites over the last 50
years have revolutionized the Astrobiology field. A variety of non-terrestrial amino acids …
years have revolutionized the Astrobiology field. A variety of non-terrestrial amino acids …
The nature, origin and modification of insoluble organic matter in chondrites, the major source of Earth's C and N
All chondrites accreted∼ 3.5 wt.% C in their matrices, the bulk of which was in a
macromolecular solvent and acid insoluble organic material (IOM). Similar material to IOM is …
macromolecular solvent and acid insoluble organic material (IOM). Similar material to IOM is …
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 …
system bodies have been sought for decades. Spectral signatures of organics have not …
Extraterrestrial amino acids and amines identified in asteroid Ryugu samples returned by the Hayabusa2 mission
ET Parker, HL McLain, DP Glavin, JP Dworkin… - … et Cosmochimica Acta, 2023 - Elsevier
The hot water and acid extracts of two different Ryugu samples collected by the Hayabusa2
mission were analyzed for the presence of aliphatic amines and amino acids. The …
mission were analyzed for the presence of aliphatic amines and amino acids. The …