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Title:
Analysis of Voyager 2 images of Jovian lightning
Authors:
Borucki, William J.; Magalhaes, Julio A.
Affiliation:
AA(NASA, Ames Research Center, Moffett Field, CA), AB(NASA, Ames Research Center, Moffett Field, CA)
Publication:
Icarus (ISSN 0019-1035), vol. 96, March 1992, p. 1-14. (Icarus Homepage)
Publication Date:
03/1992
Category:
Lunar and Planetary Exploration
Origin:
STI
NASA/STI Keywords:
JUPITER ATMOSPHERE, LIGHTNING, PLANETARY METEOROLOGY, SATELLITE IMAGERY, AMMONIA, CLOUD COVER, ENERGY DISSIPATION, SURFACE TEMPERATURE, VOYAGER 2 SPACECRAFT
DOI:
10.1016/0019-1035(92)90002-O
Bibliographic Code:
1992Icar...96....1B

Abstract

Magalhaes and Borucki (1991) reported that Voyager-2 images of Jupiter contained bright spots due to lightning activity that was confined to two narrow altitude bands centered at 49 deg N and 13.5 deg N latitude and to a single region near 60 deg N latitude. This paper describes the Voyager 2 imaging observations in detail and associates the positions of the lightning features in the images with particular cloud features. The energetics of the lightning storms on Jupiter is examined. It is found that the ratio of the energy dissipated by Jovian lightning to the thermal flux available to drive convection motions is about 3 decades larger than the terrestrial ratio.
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