An Overview of Comet Composition

被引:32
作者
Bockelee-Morvan, Dominique [1 ]
机构
[1] Observ Paris, LESIA, F-92195 Meudon, France
来源
MOLECULAR UNIVERSE | 2011年 / 280期
关键词
comets: general; astrochemistry; Solar System: formation; O1; HALE-BOPP; NITROGEN ISOTOPIC FRACTIONATION; NUCLEAR-SPIN TEMPERATURES; NARROW-BAND PHOTOMETRY; C/2004; Q2; MACHHOLZ; OORT CLOUD COMETS; C/1995; SOLAR-SYSTEM; PRIMITIVE METEORITES; INTERPLANETARY DUST;
D O I
10.1017/S1743921311025038
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Comets are made of ices, organics and minerals that record the chemistry of the outer regions of the primitive solar nebula where they agglomerated 4.6 Gyr ago. Compositional analyses of comets can provide important clues on the chemical and physical processes that occurred in the early phases of Solar System formation, and possibly in the natal molecular cloud that predated the formation of the solar nebula. This paper presents a short review of our present knowledge of the composition of comets. Implications for the origin of cometary materials are discussed.
引用
收藏
页码:261 / 274
页数:14
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