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Transcript
The Jovian Planets Jupiter • Largest planet in our solar system • Jupiter is a ball of dense hydrogen, helium, water, nitrogen and other gases over a tiny rocky core • Atmosphere is mainly hydrogen, helium and methane • Great Red Spot is gigantic hurricane-like storm • Has rings, but are made up of small, dark particles, not ice like Saturn’s Jupiter You can see the red spot and four of Jupiter’s more than 60 moons. Saturn • At least 31 moons • Ring system made of thousands of water ice particles • Atmosphere is hydrogen, helium, and methane Saturn Voyager II took this picture. Uranus • Icy and has faint rings • Bluish color because methane gas in the atmosphere absorbs red light and reflects blue light • Rotates on its side • 16 moons Uranus Voyager II also took this picture. Neptune • • • • Blue because of methane Faint rings Storms like the Great Red Spot on Jupiter Neptune’s moon, Titan, is the largest moon to orbit backwards around a planet • 13 moons Neptune The “Great Dark Spot” is visible. It is no longer there. Pluto • • • • • Dwarf planet Takes sunlight 5 ½ hours to reach Pluto Orbit is 248 Earth years In the Kuiper Belt Sometimes, its orbit swings inside Neptune’s orbit • 2/3 the size of our moon • 3 moons Pluto Pluto and Charon: The best picture as of yet taken by the Hubble Space Telescope