A large planet composed mostly of gaseous material thought to surround a solid core.
- 1952 J. Blish Solar Plexus J. Merril Beyond Human Ken № 106: A quick glance over the boards revealed that there was a magnetic field of some strength near by, one that didn't belong to the invisible gas giant revolving half a million miles away.
- 1965 Listener (Apr. 22) № 596/1: This is Uranus, the third of the remote gas-giants, much larger than either Earth or Mars, but so distant that it is never easy to see with the naked eye.
- 1983 O. Davies First Starship Omni Book of Space № 86: Five of the encounter probes would be specially designed to study gas-giant planets similar to Jupiter.
- 1983 B. Bova Winds of Altair (1988) № 19: Riding the earliest gravity field ships, they had explored the dead gas giant worlds of Barnard's Star.
- 1995 A. D. Foster Life Form № 1: The outermost was a gas giant, a lonely but colorful banded sentinel the size of Neptune.
