Results 111 to 120 of about 10,798 (236)

Analyses of carboxylic acids and hydrocarbons in Antarctic carbonaceous chondrites, Yamato-74662 and Yamato-793321.

, 1989
Akira Shimoyama, Hiroshi Naraoka, Masatoshi Komiya, Kaoru Harada   +3 more
openalex   +1 more source

Contribution of the Moon-forming Impactor to the Volatile Inventory in the Bulk Silicate Earth

The Planetary Science Journal
The timing and mechanism by which the present-day inventory of life-essential volatiles hydrogen–carbon–nitrogen–sulfur (H–C–N–S) in the bulk silicate Earth (BSE) was established are debated.
Damanveer S. Grewal, Yoshinori Miyazaki, Nicole X. Nie   +2 more
doaj   +1 more source

Multiwavelength JWST Observations of (3200) Phaethon Show a Dehydrated Object with an Aqueously Altered Origin

The Planetary Science Journal
We present JWST observations of the near-Earth asteroid (3200) Phaethon using NIRCam, NIRSpec, and MIRI to further investigate the composition of Phaethon’s surface.
Cristina A. Thomas, Andrew S. Rivkin, Ian Wong, Matthew M. Knight, Sean E. Marshall, Christopher W. Haberle, Aidan Madden-Watson, Joshua P. Emery, Annika Gustafsson, Stefanie N. Milam, Heidi B. Hammel, Ellen S. Howell, Ronald J. Vervack Jr.   +12 more
doaj   +1 more source

Infrared Spectroscopy of RNA Nucleosides in a Wide Range of Temperatures

Life
The RNA world hypothesis suggests that early cellular ancestors relied solely on RNA molecules for both genetic information storage and cellular functions.
Susana Iglesias-Groth, Franco Cataldo, Martina Marin-Dobrincic   +2 more
doaj   +1 more source

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

The watersoluble 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 ...
Abreu, Neyda M., Aponte, Jose C., Dworkin, Jason P., Elsila, Jamie E., Woodward, Hannah K.   +4 more
core   +1 more source

Molecular Identification of the Deuterium-Rich Carrier in Insoluble Organic Matter in Carbonaceous Chondrites

, 2007
Laurent Rémusat, F. Robert, S. Mostefaoui, Anders Meibom, O. Delpoux, Laurent Binet, Didier Gourier, Sylvie Derenne   +7 more
openalex   +2 more sources

Origin of isolated olivine grains in carbonaceous chondrites [PDF]

, 2020
Emmanuel Jacquet, Maxime Piralla, Pauline Kersaho, Yves Marrocchi   +3 more
openalex   +1 more source

Rapid protoplanet formation in the outer Solar System recorded in a dunite from the carbonaceous chondrite reservoir

Communications Earth & Environment
Constraining the timing of accretion, differentiation, and breakup of early-formed protoplanets helps to unravel the Solar System’s evolution. The recent discovery of the oldest crustal material, Erg Chech 002, has provided important constraints on the ...
B. G. Rider-Stokes, X. Zhao, S. L. Jackson, M. D. Suttle, I. A. Franchi, L. F. White, R. C. Greenwood, M. J. Whitehouse, L. Riches, M. Anand, B. Hoefnagels, M. M. Grady   +11 more
doaj   +1 more source

Understanding the formation and evolution of asteroids through analysis of carbonaceous chondrites

, 2020
Bates, Helena
openalex   +1 more source

Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material

The Astrophysical Journal
The analysis of samples returned from the C-type asteroid Ryugu has drastically advanced our knowledge of the evolution of early solar system materials.
Ryoji Tanaka, Dilan M. Ratnayake, Tsutomu Ota, Noah Miklusicak, Tak Kunihiro, Christian Potiszil, Chie Sakaguchi, Katsura Kobayashi, Hiroshi Kitagawa, Masahiro Yamanaka, Masanao Abe, Akiko Miyazaki, Aiko Nakato, Satoru Nakazawa, Masahiro Nishimura, Tatsuaki Okada, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Yuichi Tsuda, Tomohiro Usui, Sei-ichiro Watanabe, Toru Yada, Kasumi Yogata, Makoto Yoshikawa, Eizo Nakamura   +25 more
doaj   +1 more source