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Callisto and Mercury are
. Callisto's diameter is approximately
that of Mercury.
Scientists anticipate that there might be a
150-200 km deep ocean of salt water
present under its surface.
Callisto is called “
the most ideal spot for future human base
” to study the Jovian worlds.
Callisto is 99 percent the size of Mercury, but it is barely even
30 percent of its mass
discovered Callisto in 1610.
Callisto’s surface is considered to be “
the most highly cratered in the solar system
This majestic moon has been explored by a number of spacecraft, including the
Pioneers 10 and 11
Voyagers 1 and 2
furthest Galilean moon
is Callisto. Therefore, it is less
by Jupiter's powerful magnetic field.
Only two moons—
Ganymede and Titan
—dominate Callisto in terms of size. It is the
third largest moon
in the solar system, to put it simply.
with Jupiter, meaning, the same side of Callisto always faces Jupiter.