Protracted Timescales for Nebular Processing of First-formed Solids in the Solar System

Protracted Timescales for Nebular Processing of First-formed Solids in the Solar System

The calcium–aluminum-rich inclusions (CAIs) from chondritic meteorites are the first solids formed in the solar system. Rim formation around CAIs marks a time period in early solar system history when CAIs existed as free-floating objects and had not yet been incorporated into their chondritic paren...

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Veröffentlicht in:The Astrophysical journal 2023-03, Vol.946 (1), p.37
Hauptverfasser: Mane, Prajkta, Bose, Maitrayee, Wadhwa, Meenakshi, Defouilloy, Céline
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Astrophysics
Calcium-aluminum-rich inclusions
Carbonaceous chondrites
Cosmochemistry
Measuring instruments
Meteorite parent bodies
Planet formation
Protoplanetary disks
Rims
Solar nebula
Solar system
Transient heating
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Zusammenfassung:The calcium–aluminum-rich inclusions (CAIs) from chondritic meteorites are the first solids formed in the solar system. Rim formation around CAIs marks a time period in early solar system history when CAIs existed as free-floating objects and had not yet been incorporated into their chondritic parent bodies. The chronological data on these rims are limited. As seen in the limited number of analyzed inclusions, the rims formed nearly contemporaneously (i.e.,
ISSN:0004-637X
1538-4357
DOI:10.3847/1538-4357/acb156