Night and Day
Photojournal: PIA02878
Source: NASA/JPL/University of Arizona
Published: January 23, 2001

Images taken of Jupiter¿s day and night sides by NASA's Cassini spacecraft on Jan. 1, 2001 show that storms visible on the day side are the sources of visible lightning when viewed on the night side.

The two day-side occurrences of high clouds, in the upper and lower parts of the image, are coincident with lightning storms seen on the dark side. The storms occur at 34.5 degrees and 23.5 degrees North latitude, within one degree of the latitudes at which similar lightning features were detected by the Galileo spacecraft. The storms' longitudinal separation changes from one image to the next because the winds carrying them blow at different speeds
at the two latitudes. The images have been enhanced in contrast.

For higher resolution, click here.


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