gas giant

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gas giant

n.
A large planet having a thick gaseous atmosphere but no solid surface due to a low abundance of rock or other solid material. Jupiter, Saturn, Uranus, and Neptune are gas giants.

gas giant

n
(Celestial Objects) one of the four planets in our solar system that are composed chiefly of hydrogen and helium, namely Jupiter, Saturn, Uranus, and Neptune
[C20: coined by James Blish (1921–75), US science fiction writer]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gas giant - any of the four outermost planets in the solar system; much larger than Earth and gaseous in nature (like Jupiter)
major planet, planet - (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
Translations
géante gazeuse
References in periodicals archive ?
Summary: TEHRAN (FNA)- A survey of 300 stars in search of exoplanets finds that massive, Jupiter-like gas giants are found just about where Jupiter is in our own solar system.
As one of the youngest directly imaged planets, Beta Pictoris b provides a vital data point in understanding how young gas giants accumulate material.
Using the 8-meter Gemini North telescope in Hawaii and its Near-infrared Integral Field Spectrometer, the group analyzed sunlight reflected by a region sitting right above the visible cloud layer in Uranus's atmosphere and found the signature of hydrogen sulfide swirling there. The discovery, which according to the group was too hard to make, confirms the stinking gas is one of the key elements behind the planet's cloud tops and not ammonia, which dominates over inner gas giants 6 Jupiter and Saturn 6 in the form of ammonia ice.
These results shed more light on the atmospheres of gas giants, and will provide important context for the Juno spacecraft, which is scheduled to arrive at Jupiter in July 2016.
Electricity and gas giants Scottish & Southern Energy retained their No.1 position, with profits rising from pounds 1.21billion to pounds 1.24billion.
And unlike the gas giants Saturn and Jupiter, Neptune and its neighbor Uranus are heavy and made of ice and rock.
At one point last week, the gas giants had so much gas they were PAYING distributors to take it away.
The Zenit St Petersburg player's representative, Konstantin Sarsaniya, claimed Spurs had made a "concrete offer" for his client but the club's new owners, gas giants Gazprom, turned it down.
The outer planets, called gas giants, formed farthest from the sun, where gases could remain stable.
Both planets are so-called "hot Jupiters" - gas giants that orbit very close to their stars.
It's unclear whether the newfound planets were once gas giants that got whittled down to a solid core during such a migration.