jul 192012
 
Daytime Lightning on Saturn Spotted

  Saturn was playing the lightning storm blues. NASA’s Cassini spacecraft has captured images of last year’s storm on Saturn, the largest storm seen up-close at the planet, with bluish spots in the middle of swirling clouds. Those bluish spots indicate flashes of lightning and mark the first time scientists have detected lightning in visible [continue reading]

jun 262012
 
Why Jet Streams Cross-Cut Saturn

  Turbulent jet streams, regions where winds blow faster than in other places, churn east and west across Saturn. Scientists have been trying to understand for years the mechanism that drives these wavy structures in Saturn’s atmosphere and the source from which the jets derive their energy. A particularly strong jet stream churns through Saturn’s [continue reading]

jun 152012
 
Surprise: Tropical Lakes on Titan!

  NASA’s Cassini spacecraft has spied long-standing methane lakes, or puddles, in the “tropics” of Saturn’s moon Titan. One of the tropical lakes appears to be about half the size of Utah’s Great Salt Lake, with a depth of at least 3 feet (1 meter). Saturn’s rings lie in the distance as the Cassini spacecraft [continue reading]