Solar system - Pipelines to the planets

被引:1
|
作者
Hunten, DM [1 ]
机构
[1] UNIV ARIZONA,LUNAR & PLANETARY LAB,TUCSON,AZ 85721
关键词
D O I
10.1038/38123
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
Traces of water vapour have now been detected in the stratospheres of Saturn, Uranus and Neptune. It can't be coming from the deeper atmosphere — water freezes out too effectively at the cold tropopause, the lower boundary of the stratosphere. It is probably delivered continuously to these planets by interstellar dust, or from their ring systems.
引用
收藏
页码:125 / 126
页数:2
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