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October 9, 1995
Saturn's Moon Dione
Dione, one of
Saturn's larger moons, is remarkable for its
bright surface streaks. These streaks run across some of Dione's many
craters, which indicate that the process which created the streaks occurred
later than the process which created the craters.
is made of mostly water ice but its relatively high density indicates that
it contains much rock inside. Dione was discovered by Giovanni Cassini in
mission to Saturn is currently scheduled for launch in
October 1997. Dione's orbit is remarkable it that it also houses the much
This moon, once designated "Dione B", precedes Dione by about 1/6th of an
Tomorrow's picture: Dione's Lagrange Moon Helene
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