A ball of water with an icy/rocky core? Not likely. Ice floats. I don’t think that law of physics is going to change anywhere.
ANother immutable law of the universe is that AgencyPersons will try to grow their bureaucracy with any and all excuses.
One can only hope that none of the nice AgencyPersons at the South Florida Water Management hear of this “newly discovered water resource”.
Count on them wanting to increase taxes sufficient to permit importation of that water to meet the water crisis they claim FloriDUH suffers from.