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Week 6 Notes The Outer Planets

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Week 6 Notes The Outer Planets Ch. 3, Section 4 Page 94 101 I. GAS GIANTS AND PLUTO a. The __4__ Outer Planets are ___JUPITER__, __SATURN__, __URANUS__, and ... – PowerPoint PPT presentation

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Title: Week 6 Notes The Outer Planets


1
Week 6 Notes The Outer Planets
  • Ch. 3, Section 4
  • Page 94 101

2
I. GAS GIANTS AND PLUTO
  • a. The __4__ Outer Planets are ___JUPITER__,
    __SATURN__, __URANUS__, and __NEPTUNE__
  • b. These planets do not have __SOLID__ surfaces
    and are called __GAS GIANTS__
  • c. Gas Giants are made up of mainly __HYDROGEN__
    and __HELIUM__
  • d. __GAS GIANTS__ exert a stronger
    __GRAVTIATIONAL__ force than the __TERRESTRIAL__
    planets
  • e. __GRAVITY__ keeps the gases from __ESCAPING__
  • f. Gas Giants are made up of __LIQUID__ for of
    the gas due to the enormous __PRESSURE__
  • g. All of the gas giants have many __MOONS__ and
    a set of __RINGS__
  • h. A __RING__ is a thin disk of small particles
    of __ICE__ and __ROCK__

3
II. JUPITER
  • a. __JUPITER__ is the largest and most
    __MASSIVE__ planet
  • b. Jupiters __MASS__ is __2 ½ __ times that all
    the other planets combined
  • A. Jupiters Atmosphere
  • a. Jupiter has a thick __ATMOSPHERE__ made up
    mainly of __HYDROGEN__ and __HELIUM__
  • b. The __GREAT__ __RED__ __SPOT__ is a storm
    that is larger than __EARTH__
  • c. Unlike a __HURRICANE__ this storm does not
    weaken, it has been going strong since the
    __MID-1600s__

4
  • B. Jupiters Structure
  • a. The __CORE__ is made of __ROCK__ and __IRON__
    and the __MANTLE__ is __LIQUID__ gas
  • b. The pressure at Jupiters __CORE__ is about
    __30 MILLION__ times greater than the pressure at
    __EARTHS__ surface
  • C. Jupiters Moons
  • a. __GALILEO__ discovered Jupiters __4__
    largest moons
  • b. The 4 moons are __IO__, __EUROPA__,
    __GANYMEDE__, and __CALLISTO__
  • c. All 4 moons are __LARGER__ than __EARTHS__
    moon
  • d. Jupiter has __63__ moons

5
III. SATURN
  • a. The __SECOND__ largest planet in the __SOLAR
    SYSTEM__
  • b. Saturn is the only planet whose average
    __DENSITY__ is __LESS__ than __WATER__
  • A. Saturns Rings
  • a. The rings are made of chunks of __ICE__ and
    __ROCKS__, each traveling in its own __ORBIT__
  • b. Saturns __RINGS__ are broad and thin, like a
    __CD__
  • B. Saturns Moons
  • a. __TITAN__ is larger than the planet
    __MERCURY__
  • b. __SATURN__ has __56__ moons

6
IV. Uranus
  • a. Uranus is __TWICE__ as far from the __SUN__
    as __SATURN__, so its much __COLDER__
  • b. Uranus has traces of __METHANE__ in its
    atmosphere
  • c. Uranus has thin, flat __RINGS__
  • A. Discovery of Uranus
  • William __HERSCHEL__ found the 1st __PLANET__
    since
  • ancient times in __1781__
  • Herschel became __FAMOUS__ and started a new era
    of active __EXPLORATION__

7
  • B. Exploring Uranus
  • a. __VOYAGER 2__ showed Uranus __ROTATES__ in
    about __17__ hours
  • b. Uranuss __AXIS__ of rotation is __TILTED__
    at an angle of __90__ degrees
  • c. Astronomers think that __BILLION__ of years
    ago Uranus was __HIT__ by an __OBJECT__ that
    knocked it to its __SIDE__
  • C. Uranuss Moons
  • a. Uranuss moons have __ICEY__, __CRATERED__
    surfaces with __LAVA__ flows on it.
  • b. __URANUS__ has __27__ moons

8
V. NEPTUNE
  • a. Scientists think that __NEPTUNE__ is slowly
    __SHRINKING__ causing the interior to __HEAT__ up
  • A. Discovery of Neptune
  • a. The discovery of Neptune was a result of a
    __MATHEMATICAL__ prediction
  • B. Exploring Neptune
  • a. The __GREAT__ __DARK__ __SPOT__ was the size
    of __EARTH__ and was probably __GIANT STORM__
  • b. After the __DISCOVERY__ of the Great Dark
    Spot it __DISAPPEARED__ __5__ years later
  • C. Neptunes Moons
  • a. The largest moon is __TRITON__
  • b. __NEPTUNE__ has __13__ moons

9
VI. PLUTO
  • a. Pluto has a __SOLID__ surface and is much
    __SMALLER__ and __DENSER__ than the outer planets
  • b. __PLUTO__ is smaller than __EARTH__
  • c. Pluto has __3__ moons
  • A. Plutos Orbit
  • a. Pluto __ORBITS__ the sun once every __248__
    Earth __YEARS__
  • b. Pluto gets __CLOSER__ to the sun than
    __NEPTUNE__ on part of its __ORBIT__

10
B. Dwarf Planets
  • a. After the discovery of __LARGER__ and
    __FARTHER__ bodies from the sun than Pluto
    Astronomers created the term __DWARF PLANETS__
  • b. A __DWARF PLANET__ is __ROUND__ and
    __ORBITS__ the sun, but has not __
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