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 know. One thing we thought we knew, however, was what type of planet they are. Now, a new study wants to...
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