Friday, December 18, 2009

Apod 2.5

This photo before us is the North Pole of the planet Saturn. The unusual hexagonal cloud system is surrounding the north pole bas been kept in shape, but it is unknown how long it will remain like this. This phenomenon was discovered by the Voyager flybys in the 1980s. It has been unseen in anywhere else in the solar system since Saturn. However, the Cassini spacecraft; which in now orbiting Saturn has picked up infrared glow. A time-lapse movie has been created from the images of the rotating hexagon in visible light. Scientists are still trying to discover a method to study this usual cloud formation over Saturn.

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