Jovian planet
gas giant

H emission lines have also been found by observing the atmospheres of the Jovian planets.

It was not something you expected to hear while aboard an orbital elevator stopped in the lower stratosphere of a Jovian planet.

In the earliest solar system history, the sun, the planetesimals and the jovian planets were formed.

Such object could likely turn out a brown dwarf or even a massive jovian planet.

Together, these four planets are sometimes referred to as the Jovian or outer planets.

In 2000, it was proposed that a Jovian planet is orbiting the system with a period of 750-1050 days.

In 2007, a jovian planet (designated Gliese 317 b) was announced to orbit the star.

These two jovian planets are dancing around each other gravitationally.

All four are likely to be jovian planets that are comparable to Jupiter.

This also suggested that some Jovian planets could have longer formation time scales of up to 10 million to 20 million years.