1. The Outer Planets Chapter 16 - 3 Ringed, Gas giants except Pluto
No known solid surfaces
Jupiter, Saturn, Uranus, and Neptune.
Chapter

2. Jupiter 43.3 light minutes or 5 AU from the sun Temp. -153 degrees C
Gravity: 236% of Earth’s
62 moons - Io, Europa, Ganymede and Callisto
Revolution: almost 12yrs.
Rotation: almost 10 hours
Atmosphere:
Water, methane, ammonia
Great red spot - permanent storm 3 times the earth’s size

3. Saturn 1.3 light hours or 9.54 AU from the sun Temp. -185 degrees C
Gravity: 107% of Earth’s
61 moons and most visible rings in the solar system – Titan is Saturn’s largest moon
Revolution: 29 years 155 days
Rotation: 10 hours 39 minutes

4. Uranus 2.7 light hours or 19 AU from the sun Temp. -214 degrees C
Gravity: 91% of Earth’s
27 known moons - Miranda
Revolution: 83 yrs 272 days
Rotation: 17 hrs. 14 min. retrograde (clockwise)
Tipped over on its side - axis of rotation is almost 98 degrees

5. Neptune 4.2 light hours from sun or 30 AU Temp. -225 degrees C
13 moons and 5 rings - Triton
Revolution: years, 263 days
Rotation: 16 hrs. 7 min.
The Blue World: Has a Great Dark Spot
-Clouds

6. Pluto In 2006 Pluto was reclassified as a dwarf planet.
Different from outer planets - smaller than Earth’s moon and rocky
5.5 light hours or 39.5 AU (average) from sun
Temp degrees C
One moon - Charon is more than half Pluto’s size
Revolution: 248 years
Rotation : 6 days 10 hours retrograde
Elliptical orbit brings Pluto closer to the sun than Neptune for a short period of time during its revolution

7. Mnenomic Device Eight planets, in order, from the sun outward
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
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