Rapid formation of ice giant planets

被引：64

作者：

Boss, AP ^{[1
]}

Wetherill, GW ^{[1
]}

Haghighipour, N ^{[1
]}

机构：

[1] Carnegie Inst Washington, Dept Terr Magnetism, Washington, DC 20015 USA

来源：

ICARUS | 2002年 / 156卷 / 01期

基金：

美国国家航空航天局;

关键词：

Neptune; planetary formation; Uranus;

D O I：

10.1006/icar.2002.6816

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The existence of Uranus and Neptune presents severe difficulties for the core accretion model for the formation of ice giant planets. We suggest an alternative mechanism, namely disk instability leading to the formation of gas giant protoplanets, coagulation and settling of dust grains to form ice-rock cores at their centers, and photoevaporation of their gaseous envelopes by a nearby OB star, as a possible means of forming ice giant planets. (C) 2002 Elsevier Science (USA).

引用

页码：291 / 295

页数：5

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