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23.3

The Outer Planets

QuestionAnswer
Which is the largest planet? Jupiter. Has a mass that is 2 1/2 times greater than the mass of all the other planets and moons combined.
Jupiter's structure Hydrogen-helium atmosphere. Wind system generate the light and dark bands that encircle it. Gives off twice as much heat as it receives from the sun. Rocky, metallic central core.
Jupiter's moons 28 moons, 4 largest discovered by Galileo
Jupiter's rings composed of fine, dark particles
What is the most prominent feature of Saturn? its system of rings
Saturn's atmosphere Very active, winds up to 1,500 per hour, large cyclonic storms
Saturn's moons 31 moons, Titan is the largest and is bigger than Mercury.
Saturn's rings very thin, dense rings stretch across several hundred kilometers
Why do they call Uranus the sideways planet? It rotates on its side. Instead of being perpendicular to the plane of its orbit like the other planets, Uranus's axis of rotation lies nearly parallel with the plane of its orbit.
Does Uranus have a ring system? Yes, at least 9 distinct ring belts
Neptune's atmosphere Winds greater than 1,000 kilometers per hour encircle Neptune making it one of the windiest places in the solar system
Neptune's Dark spot an earth sized blemish, assumed to be a large rotating storm
Neptune's moons 13 moons, largest is Triton nearly the size of earth's moon. The only large moon in the solar system that exhibits retro-grade motion. This motion indicates that Triton formed independently of Neptuneand was gravitationally captured. Triton shows volcan
How long does it take Pluto to orbit the sun? 248 earth years because of its great distance and low orbital speed.
Created by: jclicurse
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