the outer planets. most of the outer planets are : large, gas giants except pluto the gas...

The Outer PlanetsThe Outer Planets

Most of the Outer planets areMost of the Outer planets are::Large, Gas GiantsLarge, Gas Giants

except Plutoexcept Pluto The Gas Giants…..and the The Gas Giants…..and the Inner planetsnner planets

JupiterJupiter Largest PlanetLargest Planet Atmosphere: Hydrogen and HeliumAtmosphere: Hydrogen and Helium 16 Moons – (4 Large Moons)16 Moons – (4 Large Moons) (Ganymede, Europa, Callisto, Io )(Ganymede, Europa, Callisto, Io ) Great Red Spot (Huge Storm)Great Red Spot (Huge Storm) Space Probes: Voyager-GalileoSpace Probes: Voyager-Galileo Thin ring systemThin ring system Day: 10 hrsDay: 10 hrs Year: 12 YearsYear: 12 Years

JupiterJupiter

SaturnSaturn 22ndnd Largest Planet Largest Planet Large ring system-ice, rock, dustLarge ring system-ice, rock, dust About 18 Moons (18-21)About 18 Moons (18-21) Space Probe: Voyager-CassiniSpace Probe: Voyager-Cassini Atmosphere: Hydrogen, HeliumAtmosphere: Hydrogen, Helium Titan: Moon with an AtmosphereTitan: Moon with an Atmosphere Day: 10 hoursDay: 10 hours Year: 29.5 yearsYear: 29.5 years

SaturnSaturn

UranusUranus About the size of NeptuneAbout the size of Neptune

Discovered by William Herschel 1781Discovered by William Herschel 1781 Atmosphere: hydrogen, heliumAtmosphere: hydrogen, helium

methanemethane About 15 MoonsAbout 15 Moons Thin ring systemThin ring system Rotates on its sideRotates on its side Rocky coreRocky core Voyager space probeVoyager space probe Day: 18 hoursDay: 18 hours Year: 84 yearsYear: 84 years

UranusUranus

NeptuneNeptune A little smaller than UranusA little smaller than Uranus Methane atmosphereMethane atmosphere Last planet seen by VoyagerLast planet seen by Voyager Rocky coreRocky core 8 Moons (Triton)8 Moons (Triton) Thin ring systemThin ring system Great dark spotGreat dark spot Day: 19 hoursDay: 19 hours Year: 165 yearsYear: 165 years

NeptuneNeptune

PlutoPluto ““Dwarf” PlanetDwarf” Planet Icy/rocky PlanetoidIcy/rocky Planetoid 1 Moon-Charon (“double planet”)1 Moon-Charon (“double planet”) Thin atmosphere-frozen gasesThin atmosphere-frozen gases Space probe: New Horizon 2015Space probe: New Horizon 2015 Pluto is one of many “Planetoids”Pluto is one of many “Planetoids” Day: About 6 Earth daysDay: About 6 Earth days Year: 248 Earth Years (tilted orbit)Year: 248 Earth Years (tilted orbit)

PlutoPluto