GASGIANT

Gas giant

A gas giant is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in the Solar System: Jupiter, Saturn, Uranus and Neptune. However, astronomers sometimes categorize Uranus and Neptune as "ice giants", in order to emphasize the differences in composition between them and larger gas giants like Jupiter and Saturn. Many extrasolar gas giants have been identified orbiting other stars.

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gas giant

Noun

  1. A large planet composed mostly of gaseous hydrogen and helium, along with methane and ammonia; possibly with a solid core.


The above text is a snippet from Wiktionary: gas giant
and as such is available under the Creative Commons Attribution/Share-Alike License.

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