The movement of Jupiter's clouds can be seen by comparing the first map to the second one in this animated pair of images. Zooming in on the Great Red Spot at blue (below, at left) and red (below, at right) wavelengths reveals a unique filamentary feature not previously seen.
Hubble's Wide Field and Planetary Camera 3 (WFPC3) was developed jointly by NASA's Goddard Space Flight Center, Greenbelt, Maryland; the Space Telescope Science Institute, Baltimore, Maryland; and Ball Aerospace &amp; Technologies Corporation, Boulder, Colorado.
NASA/ESA/GSFC/UCBerkeley/JPL-Caltech/STScI
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