THE GREAT WHITE SPOT AND DISTURBANCES IN SATURNS EQUATORIAL ATMOSPHERE DURING 1990

被引:76
作者
SANCHEZLAVEGA, A
COLAS, F
LECACHEUX, J
LAQUES, P
MIYAZAKI, I
PARKER, D
机构
[1] UNIV BASQUE COUNTRY, ESCUELA TECN SUPER INGN IND & TELECOMMUN, DEPT FIS APLICADA 1, E-48013 BILBAO, SPAIN
[2] BUR LONGITUDES, F-75014 PARIS, FRANCE
[3] OBSERV MEUDON, DESPA, F-92195 MEUDON, FRANCE
[4] OBSERV PIC DU MIDI, F-65200 BAGNERES DE BIGORRE, FRANCE
[5] INST PLANETARY RES OBSERV, MIAMI, FL USA
关键词
D O I
10.1038/353397a0
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
A giant storm, the Great White Spot, erupted at the end of September 1990 as a localized, bright cloud system close to Saturn's equator. Its evolution produced a complex planetary disturbance which affected the whole equatorial region a month later. Similar spots have appeared approximately once every saturnian year (about 30 Earth years), implying that a seasonal change-in solar heating, for example-may be responsible for their occurrence.
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页码:397 / 401
页数:5
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