The satellite visible in the lower right is Ganymede and the planet it orbits, Jupiter, seems to keep a watchful eye, while its Great Red Spot appears randomly close.
This enhanced contrast image from the Cassini robotic spacecraft captures new details of the incredible details of Jupiter's complex cloud patterns. Formations of up to 250 kilometers can be seen. High-pressure white ovals that rotate counterclockwise, similar to the Great Red Spot, appear in the red band under the spot. Among these spots are darker low pressure systems that rotate clockwise.
The hydrogen and helium that make up most of Jupiter's clouds is almost invisible: the chemical elements that give Jupiter these colors remain unknown.
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