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Exploration

Cassini Reveals Changing Conditions at Saturn's Massive Polar Vortices

Researchers eyeing seasonal changes at the north and south poles of Saturn observe the waxing and waning of aerosols in the planet's atmosphere.

March 2, 2017
11:07 AM EST
Saturn's south pole is shown in 2007 in two images taken by the Cassini spacecraft. The top image is in false color, while the bottom is in a near-infrared wavelength. Images via NASA/JPL/University of Arizona
Image via NASA/JPL-Caltech/Space Science Institute/Hampton University.