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quinta-feira, 21 de outubro de 2004

 
Correio da Cassini



This turbulent boundary between two latitudinal bands in Saturn's atmosphere curls repeatedly along its edge in this Cassini image. This pattern is an example of a Kelvin-Helmholtz instability, which occurs when two fluids of different density flow past each other at different speeds. This type of phenomenon should be fairly common on the gas-giant planets given their alternating jets and the different temperatures in their belts and zones.


Ver apenas este post.... publicado às 13:29.


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