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Section 3-1 (Part 3) The Outer Planets (Gas Giants)

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Presentation on theme: "Section 3-1 (Part 3) The Outer Planets (Gas Giants)"— Presentation transcript:

1 Section 3-1 (Part 3) The Outer Planets (Gas Giants)

2 Objectives Name the outer planets Identify what they are made of Decide how the outer planets are different than the inner planets

3 Gas Giants (Outer Planets) Jupiter and Saturn = Gas Giants Uranus and Neptune = Ice Giants

4 Taken by Voyager 1 Spacecraft From 25 million Miles away Jupiter: 5th planet From the Sun

5 Jupiter Distance from Sun: 5.2 AU’s Period of Rotation: about 10 hours Period of Revolution: 11 years, 313 days Diameter: 143,000 km Gravity: 236% of Earth’s gravity

6 Jupiter Has a very thick atmosphere –Made of hydrogen, helium, methane, ammonia and water vapor The bands on Jupiter are where there are high winds

7 Jupiter Great Red Spot: hurricane-like storm that has lasted 350 years! –Red Spot Jr. has been seen recently

8 Jupiter Jupiter has a thin ring system

9 Jupiter’s moons Jupiter has a total of 63 moons Galilean Moons –Discovered by Galileo in 1620 –Callisto, Ganymede, Europa and Io

10 Jupiter Jupiter is the largest planet in the solar system

11 Saturn 6th planet from the Sun Distance from Sun = 9.5 AU’s Period of Rotation: 10 hours, 30 mins. Period of Revolution: 29 years, 155 days Gravity: 91% of Earth’s gravity

12 Saturn’s Rings Saturn has the largest ring system of any planet

13 Saturn’s Rings Millions of small pieces of rock, ice and dust make up the rings

14 Saturn’s moons Saturn has a total of 68 moons Titan is the name of the biggest moon –A probe has been landed on Titan very recently –Scientists think Titan may have liquid water on it

15 Saturn Saturn is the 2nd largest planet in the Solar System

16 Uranus 7th planet from the Sun Distance from Sun: 19 AU’s Period of Rotation: 17 hours, 14 mins Period of Revolution: 84 years, 274 days Gravity: 82% of Earth’s gravity

17 Uranus Thick atmosphere –Contains methane and hydrogen gas, which creates a turquoise color –Very similar to Neptune –Some call Uranus and Neptune the “ice giants)

18 Uranus Uranus is different from other planets, because it is tipped on its side –Possibly from being hit by a huge comet Has a retrograde (clockwise) rotation like Venus

19 Uranus’ moons Uranus has a total of 27 moons

20 Uranus Uranus is the 3rd largest planet in the solar system

21 Neptune 8th planet from the Sun Distance from Sun: 30 AU’s Period of Rotation: 16 hours, 7 mins Period of Revolution: about 164 days Gravity: 112% of Earth’s gravity

22 Neptune Neptune’s atmosphere is similar to Uranus’s –Hydrogen, helium,methane & nitrogen –The core/center of Neptune is probably ice and rock –Called an “ice giant like Uranus

23 Neptune Neptune is the furthest actual planet from the Sun It is also the 4th largest planet


25 How are the Outer Gas Giants different than the Inner Planets?

26 Outer Planets vs. Inner Planets The outer planets are mostly made of gas –They couldn’t be close to the Sun, because heat makes gas spread out The distance between these gas giants is much greater than the distance between the inner, terrestrial planets The gas giants are Much, Much bigger than the inner, terrestrial planets

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