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Physical characteristics

Physical characteristics - oblate but to a lesser extent...

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Physical characteristics A rough comparison of the sizes of Saturn and Earth. Saturn is classified as a gas giant planet because the exterior is predominantly composed of gas and it lacks a definite surface, although it may have a solid core. [21] The rotation of the planet causes it to take the shape of an oblate spheroid ; that is, it is flattened at the poles and bulges at the equator. Its equatorial and polar radii differ by almost 10%—60,268 km versus 54,364 km, respectively. [5] Jupiter, Uranus and Neptune , the other gas giants in the Solar System, are also
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Unformatted text preview: oblate, but to a lesser extent. Saturn is the only planet of the Solar System that is less dense than water; about 30% less. [22] Although Saturn's core is considerably denser than water, the average specific density of the planet is 0.69 g/cm 3 due to the gaseous atmosphere. Saturn is 95 times the mass of the Earth , [5] compared to Jupiter, which is 318 times the mass of the Earth [23] but only about 20% larger than Saturn. [24] Together, Jupiter and Saturn hold 92% of the total planetary mass in the Solar System...
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