Science Scope, April 1st, 2008
When the planet Saturn is mentioned, most probably picture the spectacular rings above the planet's equator. The rings are not unique to Saturn (planetary rings encircle the four Jovian planets), but they are the only ones visible from Earth. Despite the compelling beauty and mysteries of ring systems and the dynamics that add to their allure, the incredible variety among the many moons of these planets is equally exciting.
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Saturn is our working model for a ring system because of its proximity and the presence of the Cassini spacecraft in the Saturnian system. Saturn...
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