ICEGIANT
Ice giant
An ice giant is a type of giant planet composed largely of materials less volatile than hydrogen and helium. It became known in the 1990s that Uranus and Neptune were really a distinct class of giant planet, composed of about 20% hydrogen, compared to the heavier gas giant's 90%. They are primarily composed of 'ices'—volatile elements heavier than hydrogen and helium. These materials were actually ices during the ice giants' formation, but now they exist in different phases, primarily supercritical fluids. The 'ice' is primarily and is generally treated as such, making the equation of state of water important for modeling ice giants. Ice giants are thought to lack ...The above text is a snippet from Wikipedia: Ice giant
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ice giant
Noun
- An instance of a type of giants associated with coldness and iciness.
- A giant planet composed mostly of astronomical ices (condensed forms of volatile compounds) including water, methane, oxygen, carbon, nitrogen, and sulfur, and smaller than a gas giant. (e.g. Neptune and Uranus)
The above text is a snippet from Wiktionary: ice giant
and as such is available under the Creative Commons Attribution/Share-Alike License.