Results 11 to 20 of about 66,010 (263)
AGU Advances, 2021 Magnetic fields in the early solar system may have driven the inward accretion of the protoplanetary disk (PPD) and generated instabilities that led to the formation of planets and ring and gap structures.
Roger R. Fu +5 more
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Microbial Populations of Stony Meteorites: Substrate Controls on First Colonizers
Frontiers in Microbiology, 2017 Finding fresh, sterilized rocks provides ecologists with a clean slate to test ideas about first colonization and the evolution of soils de novo. Lava has been used previously in first colonizer studies due to the sterilizing heat required for its ...
Alastair W. Tait +4 more
doaj +1 more source
Collection of Yamato Meteorites, Antarctica, in December 1973
Antarctic Record, 1976 In addition to 9 meteorites, designated as Yamato meteorites, discovered in December 1969 at the SE end of the Yamato Mountains, East Antarctica, 12 stoney meteorites were found in December 1973 in nearly the same area by the traverse glaciology party of
Kazuyuki SHIRAISHI +2 more
doaj +1 more source
Nature Communications, 2022 All DNA/RNA nucleobases were identified in carbonaceous meteorites. Having been provided to the early Earth as a component in carbonaceous meteorites, these molecules might have played a role for the emergence of genetic functions in early life.
Yasuhiro Oba +6 more
doaj +1 more source
The effect of aqueous alteration and metamorphism in the survival of presolar silicate grains in chondrites [PDF]
, 2008 Relatively small amounts (typically between 2-200 parts per million) of presolar grains have been preserved in the matrices of chondritic meteorites.
Bischoff +31 more
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Report on Antarctic meteorites search around the Sor Rondane Mountains, JARE-29 1988-1989
Antarctic Record, 1990 A systematic search for Antarctic meteorites was carried out by the Asuka winter party of the 29th Japanese Antarctic Research Expedition on the bare ice field around the Sφr Rondane Mountains in the 1987-1988 and 1988-1989 field seasons.
Hiroshi Naraoka +2 more
doaj +1 more source
Antarctic Record, 2021 This report summarizes the Belgian Antarctic Expedition (BELARE) 2019－2020 meteorite search and recovery expedition near the Sør Rondane Mountains of East Antarctica during the 2019－2020 field season.
Steven Goderis +8 more
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The Prevailing Catalytic Role of Meteorites in Formamide Prebiotic Processes
Life, 2018 Meteorites are consensually considered to be involved in the origin of life on this Planet for several functions and at different levels: (i) as providers of impact energy during their passage through the atmosphere; (ii) as agents of geodynamics ...
Raffaele Saladino +2 more
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The Origin and Physico-Chemical Properties of Some Unusual Earth Rock Fragments
Applied Sciences, 2022 In this paper, several researches were undertaken related to a violent phenomenon, characterized by a sonic boom, felt on an area of at least 500 km2, shortly followed by the fall of rock fragments that were then recovered from the ground.
Alexandru Cocean +7 more
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Combustion Analysis of a Meteorite Debris [PDF]
, 2010 In this research paper, nature and origins of a meteorite debris identified near village Lehri in district Jhelum, Pakistan have been determined. Total carbon content of a specimen of the meteorite debris is determined using combustion analysis and this ...
Saheeb Ahmed Kayani
core +3 more sources