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Chapter 11.3
 
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    Chapter 11.3 Chapter 11.3 Document Transcript

    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 1 Vocabulary oGalilean moons (393) – The four largest moons of Jupiter – Io, Europa, Ganymede, and Callisto – which were first discovered by Galileo Galilei in 1610 The Gas Giants oThe outer planets are called the ___________________________ because they are primarily made of hydrogen and helium. oThey have strong gravitational forces due to their large masses. o The strong gravity creates tremendous atmospheric pressure that changes gases to_______________________. o Most these planets have thick gas and liquid interiors covering a small, ____________ core Jupiter oLargest planet o ____________times the diameter of Earth o Twice the mass of all the other planets combined  ___________________faster than any other planet  Like all outer planets, it has a ring system Jupiter’s Atmosphere
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 2 o90%____________________, 10% helium o1000km deep oDense, colorful clouds oBecause Jupiter rotates so quickly, the clouds stretch into __________________ oThe Great Red Spot is a ___________________of swirling gases Jupiter’s Structure o80% hydrogen, 20% helium oThick solid ___________________ o1000km past the outer edge of the cloud layer, the pressure is so great ________________________ gas changes to liquid oScientists do not know what the core is made of o They suspect it is rock and _________________ The Moons of Jupiter oJupiter has at least _______________ moons oThe 4 largest were discovered by Galileo in 1610 o We call these ________________________ Moons Io, Europa, Ganymede, and Callisto
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 3 oAll made of rock and ice oCollisions between Jupiter’s moons and meteorites likely resulted in Jupiter’s _______________________ Saturn o6th planet oHas horizontal bands of clouds o90% hydrogen, 10% helium oLeast ___________________ planet o Its density is less than that of _______________ Saturn’s Structure oSimilar to Jupiter o An outer gas layer, a thick layer of ____________________ hydrogen, and a solid core oRing system is the __________________________ and most complex o _________ bands of rings, each containing thousands of narrower ringlets
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 4 o Main ring system is over 70,000km wide and less than 30m thick Saturn’s Moons oAt least _____________moons o5 largest – Titan, Rhea, Bdione, Iapetus, and Tethys oMost of Saturn’s moons are chucks of _____________ less than 10km in diameter oTitan is larger than Mercury o It is the only moon in the solar system with a dense _____________________ o In 2005 the Huygen probe landed on Titan Uranus o7th planet oNarrow, dark ________________ oDeep atmosphere composed mostly of _________________and helium and some methane. o The ____________________ gas gives it a bluish color oBeneath the atmosphere is a thick, ______________ layer of water, ammonia, and other materials oBelow that is a solid, rocky core Uranus’s Axis and Moons
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 5 oUranus has a __________________ axis of rotation o Maybe caused by a collision with an Earth-sized object oAt least __________ moons o Largest are Titania and Oberon (smaller than our moon) Titania has an icy cracked surface that might once have been covered by an _________________ Neptune oDiscovered in ______________ oAtmosphere is like Uranus o Hydrogen, helium, and some methane oInterior is also like Uranus o Partially frozen water and _______________with a rock and iron core o______________ moons and a faint ring system o Triton is the largest. It has a surface of frozen nitrogen and _____________ that erupt nitrogen gas
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 6 oSwirling storm s and high winds sometimes exceeding ____________________ km/h
    • Chapter 11 Lesson 2 – The Outer Planets – p390-396 – page 6 oSwirling storm s and high winds sometimes exceeding ____________________ km/h