Mean zonal motions in the giant planet atmospheres

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All the giant planets are found to have a very stable, zonal banded structure of cloud opacity and winds, with the winds blowing strongly in the east-west direction with very little mean meridional motion. The fact that these planets have such different solar flux and internal energy forcings suggests that the zonal structure derives from the nature of these planetary atmospheres themselves, together with their rapid rotation, rather than due to the method of forcing. The measured zonal wind speeds at the cloud tops for the four giant planets are compared in Figure 5.2, while Figure 5.3 shows the zonal wind speeds separately for each planet, with regions of cyclonic vorticity highlighted in gray. In addition, Figure 5.4 shows the wind speeds in terms of degrees longitude per rotation of the planet superimposed on the planets' mean visible appearance. It can be seen that there is very close north/south symmetry in the wind structure for all four planets. For Jupiter, the wind variations are closely

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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