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NASA's Cassini spacecraft has captured images of lightning on Saturn. The images have allowed scientists to create the first movie showing lightning flashing on another planet.

28 Apr 2010, 03:22 UTC
NASA's Cassini spacecraft has captured images of lightning on Saturn. The images have allowed scientists to create the first movie showing lightning flashing on another planet.
(200 words excerpt, click title or image to see full post)

After waiting years for Saturn to dim enough for the spacecraft's cameras to detect bursts of light, scientists were able to create the
movie, complete with a soundtrack that features the crackle of radio
waves emitted when lightning bolts struck.The movie and radio data suggest extremely powerful storms with
lightning that flashes as brightly as the brightest super-bolts on
Earth, according to Andrew Ingersoll, a Cassini imaging science
subsystem team member at the California Institute of Technology in
Pasadena. "What's interesting is that the storms are as powerful -- or
even more powerful -- at Saturn as on Earth," said Ingersoll. "But they
occur much less frequently, with usually only one happening on the
planet at any given time, though it can last for months."Click on "Cassini" in the heading to see more.

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