gas giant(redirected from Supergiant planet)
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Related to Supergiant planet: Giant Planets
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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]
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|Noun||1.||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
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