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Stationary waves and slowly moving features in the night upper clouds of Venus

Hueso, R.; Sánchez-Lavega, A.; Kouyama, T. +9 more

At the cloud top level of Venus (65-70 km altitude) the atmosphere rotates 60 times faster than the underlying surface—a phenomenon known as superrotation^1,2. Whereas on Venus's dayside the cloud top motions are well determined^3,4,5,6 and Venus general circulation models predict the mean zonal flow at the upper clouds to be s…