They haven't had many opportunities to see a gas giant.
The gas giant itself was dark and cold, burned out long ago.
Rod had known about the gas giant before they started.
Based on its mass, it is almost certainly a gas giant.
In this case, it will grow into a gas giant.
"And the only sign of life is on a gas giant, pretty far out from the sun."
So far, all we see are the usual gas giants.
Millions of years earlier, a gas giant had come too close.
Based on its mass, it is considered to be a gas giant.
And we're too close to the gas giant to jump out.
The moon was gone, the giant planet rolled across the top of the sky.
The formation of giant planets is a more complicated process.
"Maybe nature has many ways of making giant planets," he said.
If the tests succeeded, the resources of the giant planet would be thrown open.
Paul found the strength to nod his head forward, toward the giant planet.
Grant asked again, staring at the view of the giant planet.
Their orbit is about the distance of the giant planets from our Sun.
The star is known to have two giant extrasolar planets.
It is known to be orbited by two giant planets.
Since 1995, astronomers have found single giant planets around more than 50 distant stars.