Аннотация
During the 1990 Galileo Venus flyby, the Near Infrared Mapping Spectrometer
investigated the night-side atmosphere of Venus in the spectral range
0.7 to 5.2 micrometers. Multispectral images at high spatial resolution
indicate substantial cloud opacity variations in the lower cloud
levels, centered at 50 kilometers altitude. Zonal and meridional
winds were derived for this level and are consistent with motion
of the upper branch of a Hadley cell. Northern and southern hemisphere
clouds appear to be markedly different. Spectral profiles were used
to derive lower atmosphere abundances of water vapor and other species.
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