[blueplum]

The article states that Ganymede is being looked at as a 'potential habitat', but, cold of space aside, what about the 'plasma' interactions and the giant magnetic field of Jupiter?

[Telepathic Intruder]

I’ve heard that Jupiter’s radiation belts make above surface habitation of all but the outermost of its large Galilean moons (Callisto) unlikely. Of course with no atmosphere and sub-freezing temperature, the surface of Ganymede doesn’t exactly offer the country life anyway.

[Libloather]

Water found on Uranus could be troublesome.