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Jovian planets

Jovian planets, the planets Jupiter, Saturn, Uranus, and Neptune. They are all larger and more massive than the earth. Since they rotate faster, they are more flattened at the poles than are the terrestrial planets. They are less dense than the earth, as they are composed of gaseous matter, predominantly hydrogen.

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"Jovian planets." The Columbia Encyclopedia, 6th ed.. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/jovian-planets

jovian planet

jovian planet (outer planet) A general term used to refer to the four outer, giant, gaseous planets of the solar systemJupiter, Saturn, Uranus, and Neptune; it contrasts them to the small, rocky, inner or terrestrial planetsMercury, Venus, Earth, and Mars.

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"jovian planet." A Dictionary of Earth Sciences. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/jovian-planet

jovian

jovian Adjective derived from Jupiter and used in descriptions of the planet. In planetary geology it is not usual to spell the adjective with an initial capital letter.

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"jovian." A Dictionary of Earth Sciences. . Encyclopedia.com. 24 Oct. 2017 <http://www.encyclopedia.com>.

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"jovian." A Dictionary of Earth Sciences. . Retrieved October 24, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/jovian