Avi Blizovsky
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New color images transmitted by the Cassini spacecraft show that the Northern Hemisphere is in a slightly bluesy mood. In the first image, the icy moon Mimas stands above a stunning landscape of Saturn's northern hemisphere shining in the blue sky and a shot of the rings. In the second picture you can see the north pole region of Saturn in a dull blue color.
The blue color of Saturn's northern latitudes originates from the cloud-free region in the upper atmosphere. An accurate understanding of the phenomenon will come only after further study of these images by scientists.
In the first color image, Mimas is seen moving in its orbit against the blue background of Saturn's atmosphere, separated by the shadow cast by the rings. Several large craters are visible on the face of Mimas and give the icy moon a dimpled appearance.
The second image shows the polar region of Saturn, where the shadow caused by the rings surrounding the pole appear as dark bands. The shadow of the rings in the high latitudes refers to the position of the plane of the rings farthest from the planet. In other words, the northernmost shadow in the image is caused by the outer edge of the A ring. Patches of bright clouds are also visible throughout the region.
The view of Saturn and Mimas was captured by Cassini's narrow-angle camera on January 18, 2005 at a distance of about 1.4 million kilometers from Saturn. The image of the polar region was captured using the wide-angle camera on December 14 at a distance of 719,200 kilometers from Saturn.
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Yedan Saturn
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