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Cassini-Huygens
The jet stream that makes up the hexagon on Saturn seems to act like a barrier, which results in something like the "ozone hole" in the Antarctic. High-resolution views of the hexagon have only recently become possible because of the changing of the seasons at Saturn and changes in the Cassini spacecraft’s orbit. The north pole was dark when Cassini first arrived in July 2004. The sun really only began to illuminate the entire interior of the hexagon in August 2009, with the start of northern spring. In late 2012, Cassini began making swings over Saturn's poles, giving it better views of the hexagon. Image Credit: NASA/JPL-Caltech/SSI/Hampton
12/05/13

 

The jet stream that makes up the hexagon on Saturn seems to act like a barrier, which results in something like the "ozone hole" in the Antarctic. High-resolution views of the hexagon have only recently become possible because of the changing of the seasons at Saturn and changes in the Cassini spacecraft’s orbit. The north pole was dark when Cassini first arrived in July 2004. The sun really only began to illuminate the entire interior of the hexagon in August 2009, with the start of northern spring. In late 2012, Cassini began making swings over Saturn's poles, giving it better views of the hexagon. Image Credit: NASA/JPL-Caltech/SSI/Hampton



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