INTERSTELLAR GRAINS IN METEORITES

被引：163
|
作者：
OTT, U
机构：
[1] Max-Planck-lnstitut für Chemie, Abteilung Isotopenkosmologie, D-55128 Mainz
来源：
NATURE | 1993年 / 364卷 / 6432期
关键词：
D O I：
10.1038/364025a0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Primitive meteorites contain grains of silicon carbide, graphite and diamond formed outside the Solar System and probably before its birth. The isotopic compositions of these grains provide a record of stellar nucleosynthesis and of condensation processes near carbon stars; the fact of their survival places constraints on conditions in the solar nebula and early Solar System. The search is now on for other surviving stellar condensates, such as nitrides and oxides.
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页码：25 / 33
页数：9
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