Results 1 to 10 of about 64,440 (194)

Nano-FTIR spectroscopic identification of prebiotic carbonyl compounds in Dominion Range 08006 carbonaceous chondrite [PDF]

open access: yesScientific Reports, 2021
Meteorites contain organic matter that may have contributed to the origin of life on Earth. Carbonyl compounds such as aldehydes and carboxylic acids, which occur in meteorites, may be precursors of biologically necessary organic materials in the solar ...
Mehmet Yesiltas   +2 more
doaj   +3 more sources

Young asteroidal fluid activity revealed by absolute age from apatite in carbonaceous chondrite [PDF]

open access: yesNature Communications, 2016
Chondritic meteorites formed in the early solar system and may tell us about primary processes at that time. Here, Zhang et al. report an absolute 207Pb/206Pb isochron age (4,450±50 Ma) of apatite from a carbonaceous chondrite constraining timing of ...
Ai-Cheng Zhang   +7 more
doaj   +3 more sources

Discovery of primitive CO2-bearing fluid in an aqueously altered carbonaceous chondrite. [PDF]

open access: yesSci Adv, 2021
Discovery of CO2-bearing aqueous fluid in primitive meteorite gives the direct evidence of dynamic evolution of the solar system. Water is abundant as solid ice in the solar system and plays important roles in its evolution.
Tsuchiyama A   +8 more
europepmc   +2 more sources

Alkali magmatism on a carbonaceous chondrite planetesimal. [PDF]

open access: yesProc Natl Acad Sci U S A, 2020
Significance In spite of magnetic and isotopic evidence revealing connections between the most primitive outer Solar System materials and differentiated bodies with a layered structure akin to terrestrial planets, the meteoritic record lacks samples that
Aléon J   +5 more
europepmc   +2 more sources

A primordial 15N-depleted organic component detected within the carbonaceous chondrite Maribo. [PDF]

open access: yesSci Rep, 2020
We report on the detection of primordial organic matter within the carbonaceous chondrite Maribo that is distinct from the majority of organics found in extraterrestrial samples.
Vollmer C   +8 more
europepmc   +2 more sources

Fumarolic-like activity on carbonaceous chondrite parent body. [PDF]

open access: yesSci Adv, 2020
First analogy between carbonaceous chondrite parent bodies metamorphism and high-temperature Kudryavy volcano fumaroles bodies. Comparative planetology studies are key for understanding the main processes driving planetary formation and evolution.
Ganino C, Libourel G.
europepmc   +2 more sources

Geoelectrochemistry-driven alteration of amino acids to derivative organics in carbonaceous chondrite parent bodies [PDF]

open access: yesNature Communications, 2022
Researchers at Earth-Life Science Institute (ELSI) discovered a chemical process that can explain the very low amino acid abundances in aqueously altered carbonaceous chondrites, deepening our understanding on the Solar System chemical evolution.
Yamei Li   +5 more
doaj   +2 more sources

Primordial heavy noble gases in the pristine Paris carbonaceous chondrite. [PDF]

open access: yesMeteorit Planet Sci, 2019
The Paris carbonaceous chondrite represents the most pristine carbonaceous chondrite, providing a unique opportunity to investigate the composition of early solar system materials prior to the onset of significant aqueous alteration.
Bekaert DV   +4 more
europepmc   +2 more sources

Molecular Distribution, 13C-Isotope, and Enantiomeric Compositions of Carbonaceous Chondrite Monocarboxylic Acids. [PDF]

open access: yesMeteorit Planet Sci, 2019
The water‐soluble organic compounds in carbonaceous chondrite meteorites constitute a record of the synthetic reactions occurring at the birth of the solar system and those taking place during parent body alteration and may have been important for the ...
Aponte JC   +4 more
europepmc   +2 more sources

Insights into the origin of carbonaceous chondrite organics from their triple oxygen isotope composition. [PDF]

open access: yesProc Natl Acad Sci U S A, 2018
Significance Refractory organic matter found in volatile-rich asteroidal materials essentially comprise the elements C, H, O, N, and S, which are thought to be important building blocks for life.
Tartèse R   +4 more
europepmc   +2 more sources

Home - About - Disclaimer - Privacy