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Gas GiantsGas Giants • made up almost entirely of gases
Jupiter
Saturn
Uranus
Neptune
• not Plutonot Pluto
outer outer planetsplanets
Jupiter Saturn Uranus Neptune Pluto
gasgiants
• larger• many moons
• far apart• rings
exceptPluto
most massive planet
Great Red Spot = ongoing hurricane
4 largest moons-
1. Ganymede- largest
2. Io- active volcanoes
3. Europa- icy crust - liquid H20 under
4. Callisto- icy surface with craters
Jupiter is more than 300 times as massive as Earth.
Jupiter, King of the Roman gods
Jupiter is really big !
Jupiter with one of its many moons.
Europa
There are currently There are currently 63 63 known moons orbiting known moons orbiting Jupiter.Jupiter.These are the largest These are the largest four.four.
Callisto
Io
Ganymede
View of Jupiter from Voyager 1
2nd largest planet
hundreds of rings- made of chunks of ice & rock
31 known moons- largest = Titan
Saturn Family Tour video
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
looks bluish methane gas in atmosphere
discovered by William Herschel in 1781
axis tilted at 90o angle• possibly caused by collision w/ another object
rotates on its side from top to bottom
at least 22 moons
Great Dark Spot- similar to Jupiter’s Great Red Spot
at least 13 moons largest = Triton
The Great Dark Spot
Neptune,Roman god of the sea
•Not a planet anymore-minor planet
smaller & denser than gas giants- • smaller than Earth’s moon
discovered by Clyde Tombaugh in 1930
3 moons- largest= Charon• close in size & close together
Pluto, Greek god of wealth, ruled the dark underworld
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 The Solar SystemSystem
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