Rethinking the “Ice Giants”: Uranus and Neptune may be rockier than we thought

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer than anything.
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Uranus And Neptune May Not Be "Ice Giants" But The Solar System's First "Rocky Giants"

Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by Voyager 2 over 30 years ago – so there is a lot about them that we do not ...