Jovian planet
gas giant

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.