Evidence for supersonic turbulence in the upper atmosphere of Jupiter

被引：27
|
作者：
Emerich, C
BenJaffel, L
Clarke, JT
Prange, R
Gladstone, GR
Sommeria, J
Ballester, G
机构：
[1] CNRS,INST ASTROPHYS PARIS,F-75014 PARIS,FRANCE
[2] UNIV MICHIGAN,SPACE PHYS RES LAB,ANN ARBOR,MI 48109
[3] SW RES INST,SAN ANTONIO,TX 78238
[4] ECOLE NORMALE SUPER LYON,F-69364 LYON,FRANCE
来源：
SCIENCE | 1996年 / 273卷 / 5278期
关键词：
D O I：
10.1126/science.273.5278.1085
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：
Spectra of the hydrogen Lyman alpha. (Ly-alpha) emission line profiles of the jovian dayglow, obtained by the Goddard High Resolution Spectrograph on the Hubble Space Telescope, appear complex and variable on time scales of a few minutes. Dramatic changes occur in the Ly-alpha bulge region at low latitudes, where the line profiles exhibit structures that correspond to supersonic velocities of the order of several to tens of kilometers per second, This behavior, unexpected in a planetary atmosphere, is evidence for the particularly stormy jovian upper atmosphere, not unlike a star's atmosphere.
引用
收藏
页码：1085 / 1087
页数：3
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