Question

what is jovian planets

Answer 1

Giant planets are also sometimes called jovian planets, after Jupiter. They are also sometimes known as gas giants. However, many astronomers apply the latter term only to Jupiter and Saturn, classifying Uranus and Neptune, which have different compositions, as ice giants.

Answer 2

Jovian planets also called the giant planets.
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Giant planets are usually primarily composed of low-boiling-point materials.

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Jovian planets are giant gas balls not unlike the SUN although they have a small rocky central core.
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