Lightning activity on Jupiter

Details Lightning activity on Jupiter Lightning activity on Jupiter

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982icar...52..492b&link_type=abstract

Icarus, vol. 52, Dec. 1982, p. 492-502.

Computer Science

42

Energy Dissipation, Jupiter Atmosphere, Lightning, Spaceborne Photography, Voyager 1 Spacecraft, Whistlers, Abundance, Atmospheric Composition, Atmospheric Electricity, Planetary Radiation

Scientific paper

Photographic observations of the nightside of Jupiter by the Voyager 1 spacecraft show the presence of extensive lightning activity. Detection of whistlers by the plasma wave analyzer confirms the optical observations and implies that many flashes were not recorded by the Voyager camera because the intensity of the flashes was below the threshold sensitivity of the camera. Measurements of the optical energy radiated per flash indicate that the observed flashes had energies similar to that for terrestrial superbolts. The best estimate of the lightning energy dissipation rate of 0.0004 W/sq m was derived from a consideration of the optical and radiofrequency measurements. The ratio of the energy dissipated by lightning compared to the convective energy flux is estimated to be between 0.000027 and 0.00005. The terrestrial value is 0.0001.

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