| 释义 |
gas giant  noun AstronomyA large planet of relatively low density consisting predominantly of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune.There are also many asteroids known in the region inhabited by the gas giant planets Jupiter, Saturn, Uranus and Neptune....- Beyond the asteroid belt lie the orbits of the four gas giant planets: Jupiter, Saturn, Uranus, and Neptune.
- Many of these exoplanets are large planets that resemble the gas giants of our solar system: Jupiter, Saturn, Uranus, and Neptune.
|