It's not easy to make the Moon

被引：10
|
作者：
Lissauer, JJ
机构：
[1] NASA Ames Research Center,the Space Science Division
来源：
NATURE | 1997年 / 389卷 / 6649期
关键词：
D O I：
10.1038/38596
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：
Theory has it that the Moon grew within a disk of material splashed out of the Earth by a body the size of Mars. According to new calculations, however, the impacting body was at least twice that size. There are probably very many terrestrial planets in our Galaxy, yet the implication of this and other simulations is that fewer of them than previously expected have Moon-sized satellites.
引用
收藏
页码：327 / 328
页数：2
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