Uranus and Neptune may be rockier than thought, new study challenges ‘Ice Giant’ theory

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...
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Are Uranus and Neptune really ice giants? A new study says maybe not

For decades, school posters and science museum displays have grouped Uranus and Neptune together as “ice giants,” a tidy ...