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Saturn being the second largest planet, as Jupiter is the first, is around seventy-two thousand miles in diameter at its equator (120,536 km), almost ten times the size of Earth. Its volume would take up about 769 Earth size bodies. In spite of its large size, Saturn weighs very little. It is the least dense planet in the Solar System, so light that it could float in water, and its specific gravity (0.7) is less than that of water. It is eight times less than Earth’s density because the planet consists mostly of gas hydrogen. The Giant or Gas planets do not have the same layered structure that the terrestrial planets do, they have less solid material. Saturn consist of around 75% hydrogen and 25% helium, like the planet Jupiter but much less dense, and also has methane, ammonia, ethane, acetylene

The two prominent rings A and B and one faint ring C can be seen from Earth, rings D,F and G are to thin and are difficult to see. One of the rings is even dense enough to block sunlight. Voyager confirmed the existence of puzzling radial in homogeneities in the B ring called “spokes”, their nature remains a mystery but could have something to do with Saturn’s magnetic field. The F ring showed a braided structure from Voyager 1, which is a complex structure made up of several smaller rings along which "knots" are visible. Scientists speculate that the knots may be clumps of ring material, or mini moons. The rings show a tremendous amount of structure on all scales; some of this structure is

Some topics in this essay:
Voyager II, Solar System, Solar Nebula, Etha Athena, Jupiter Earth, Collins Voyager, Saturn Jupiter, Due Saturn’s, Helene Dione's, Mark Showalter, solar system, moon saturn, ring system, magnetic field, saturn discovered, saturn's moons, water ice, moon saturn discovered, gas planets, voyager 1, 20 diameter, atmosphere internal heat, motions atmosphere internal, gravitational perturbations saturn's, internal heat source,