Results 31 to 40 of about 104,611 (276)
A new family of extraterrestrial amino acids in the Murchison meteorite
Scientific Reports, 2017 The occurrence of extraterrestrial organic compounds is a key for understanding prebiotic organic synthesis in the universe. In particular, amino acids have been studied in carbonaceous meteorites for almost 50 years.
T. Koga, H. Naraoka
semanticscholar +1 more source
Геофизический журнал, 2019 The history of origin and evolution in Ukraine of mineralogical studies of cosmic samples, mainly meteorites, and the main stages of formation of the Department of Сosmoecology and Cosmic Mineralogy at the M. P.
V. P. Semenenko
doaj +1 more source
Nanoscale Infrared Imaging Analysis of Carbonaceous Chondrites to Understand Organic-Mineral Interactions During Aqueous Alteration [PDF]
, 2019 Organic matter in carbonaceous chondrites is distributed in fine-grained matrix. To understand pre- and postaccretion history of organic matter and its association with surrounding minerals, microscopic techniques are mandatory.
Baden, Naoki +6 more
core +2 more sources
Two billion years of magmatism recorded from a single Mars meteorite ejection site
Science Advances, 2017 Martian meteorites from a single Mars ejection site record 2 billion years of magmatic activity. The timing and nature of igneous activity recorded at a single Mars ejection site can be determined from the isotope analyses of Martian meteorites ...
T. Lapen +8 more
semanticscholar +1 more source
The Buritizal meteorite: classification of a new Brazilian chondrite
REM: International Engineering JournalOn August 14, 1967, the reporter Saulo Gomes, working at TV Tupi, went to a small city in the State of São Paulo called Buritizal to investigate reports of a meteorite fall and write a newspaper report.
Rogerio Nogueira Salaverry +5 more
doaj +1 more source
Discovery of natural MgSiO3 tetragonal garnet in a shocked chondritic meteorite
Science Advances, 2016 A high-pressure phase is discovered in a shocked, stony meteorite. MgSiO3 tetragonal garnet, which is the last of the missing phases of experimentally predicted high-pressure polymorphs of pyroxene, has been discovered in a shocked meteorite.
N. Tomioka, M. Miyahara, Motoo Ito
semanticscholar +1 more source
Spectroscopic and Petrographic Investigations of Lunar Mg-Suite Meteorite Northwest Africa 8687
Remote Sensing, 2022 Magnesian suite (Mg-suite) rocks represent plutonic materials from the lunar crust, and their global distribution can provide critical information for the early magmatic differentiation and crustal asymmetries of the Moon. Visible and near-infrared (VNIR)
Lang Qin +4 more
doaj +1 more source
, 2015 We present the results of a study of the azimuthal characteristics of ionospheric and seismic effects of the meteorite 'Chelyabinsk', based on the data from the network of GPS receivers, coherent decameter radar EKB SuperDARN and network of seismic ...
Bakhtiyarov, V. F. +8 more
core +1 more source
Frontiers in Astronomy and Space Sciences, 2020 Prokaryotes are among the most versatile organisms on Earth and their ability to adsorb metals for nutrient, energy, or protection purposes can be noted in many different environments on our planet.
Denise Kölbl +4 more
doaj +1 more source
Planetary Bioresources and Astroecology 1. Planetary Microcosm Bioassays of Martian and Carbonaceous Chondrite Materials: Nutrients, Electrolyte Solutions, and Algal and Plant Responses [PDF]
, 2002 The biological fertilities of planetary materials can be assessed using microcosms based on materials in martian and carbonaceous chondrite meteorites.
Mautner, Michael Noah
core +2 more sources