Astronomy Picture of the Day
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October 18, 1995
A Storm on Saturn
HST, WFPC 2, Reta Beebe
(NMSU), D. Gilmore, L. Bergeron
Saturn's cloud tops is actually a major storm system only discovered
in December of 1994.
clouds are composed of primarily
helium, but the storm's white
clouds are actually ammonia ice crystals that have frozen upon upheaval to
the top of the atmosphere. The storm may look small but has an extent similar
to the diameter of the
Earth. This picture is a colour composite of
several taken by the
Hubble Space Telescope.
Saturn is the second largest planet in the
Solar System and has the most elaborate
Tomorrow's picture: Globular Cluster M5
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