8th Grade-Ch. 3 sec. 4 outer planets
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8th Grade-Ch. 3 sec. 4 outer planets

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    8th Grade-Ch. 3 sec. 4 outer planets 8th Grade-Ch. 3 sec. 4 outer planets Presentation Transcript

    • Ch. 3 Sec. 4 Outer Planets
    • Gas Giants
      • made up almost entirely of gases
      • Jupiter
      • Saturn
      • Uranus
      • Neptune
      • not Pluto
    • outer planets Jupiter Saturn Uranus Neptune Pluto gas giants
      • larger
      • many moons
      • far apart
      • rings
      except Pluto
    • Jupiter is more than 300 times as massive as Earth. Jupiter, King of the Roman gods
      • 4 largest moons-
      • Ganymede- largest
      • Io- active volcanoes
      • Europa- icy crust - liquid H 2 0 under
      • Callisto- icy surface with craters
      Great Red Spot = ongoing hurricane most massive planet
    • Jupiter is really big !
    •  
      • Jupiter with one of its many moons.
    • Europa There are currently 63 known moons orbiting Jupiter. These are the largest four. Callisto Io Ganymede
    • View of Jupiter from Voyager 1 Jupiter’s Great Red Spot
    •  
    • Saturn Family Tour video 31 known moons- largest = Titan hundreds of rings- made of chunks of ice & rock 2 nd largest planet
    • Titan, the Largest Moon of Saturn
      • very thick atmosphere which is mostly nitrogen
      • bigger than both Mercury and Pluto
      • For all their solid appearance, in truth, Saturn's splendid rings are composed of trillions of separate objects – ranging from house-sized “boulders” all the way down to tiny specks of dust measuring just millionths of an inch across.
    • interactive puzzle about Saturn
      • Saturn, god of harvest or time of reaping (sixth planet from the sun).
      • Uranus, father of Saturn and grandfather of Jupiter
      rotates on its side from top to bottom
      • axis tilted at 90 o angle
      • possibly caused by collision w/ another object
      at least 22 moons discovered by William Herschel in 1781 looks bluish  methane gas in atmosphere
    • The Great Dark Spot Neptune, Roman god of the sea at least 13 moons  largest = Triton Great Dark Spot- similar to Jupiter’s Great Red Spot
    • Pluto, Greek god of wealth, ruled the dark underworld
      • Not a planet anymore-minor planet
      discovered by Clyde Tombaugh in 1930
      • 3 moons- largest= Charon
      • close in size & close together
      • smaller & denser than gas giants-
      • smaller than Earth’s moon
    • Two small moons have been discovered orbiting Pluto , bringing the planet's known satellites to three.
    •  
    • Mercury Venus Earth Mars Saturn Jupiter Uranus Neptune Pluto Sun The Solar System