PlanetsPlanets

The Order of the PlanetsThe Order of the Planets

1. Mercury2. Venus3. Earth4. Mars5. Jupiter6. Saturn7. Uranus8. Neptune9. Pluto

1. Mercury2. Venus3. Earth4. Mars5. Jupiter6. Saturn7. Uranus8. Neptune9. Pluto

Inner Planet (Terrestrial)Inner Planet (Terrestrial)

-Mercury-Venus-Earth-Mars

-Mercury-Venus-Earth-Mars

Outer Planet (Gas Giant)Outer Planet (Gas Giant)

JupiterSaturnUranusNeptune

JupiterSaturnUranusNeptune

Retrograde Rotation (spins backwards)

Retrograde Rotation (spins backwards)

VenusUranusPluto

VenusUranusPluto

Smaller Than EarthSmaller Than Earth

MercuryVenusMarsPluto

MercuryVenusMarsPluto

No MoonsNo Moons

MercuryVenus

MercuryVenus

Has a ring systemHas a ring system

JupiterSaturnUranusNeptune

JupiterSaturnUranusNeptune

No Solid SurfaceNo Solid Surface

JupiterSaturnUranusNeptune

JupiterSaturnUranusNeptune

Too far away to see without a telescope.

Too far away to see without a telescope.

UranusNeptunePluto

UranusNeptunePluto

Mercury:Mercury:

Closest to the SunShortest Revolution

Closest to the SunShortest Revolution

Venus:Venus:

Close in size to Earth

“Earth’s Twin”Hottest Average

Temp.Very thick

atmosphere

Close in size to Earth

“Earth’s Twin”Hottest Average

Temp.Very thick

atmosphere

Compare the sizes of the Terrestrial Planets:

Compare the sizes of the Terrestrial Planets:

Earth:Earth:

1 moon (Luna)Has liquid waterHas the only known life

1 moon (Luna)Has liquid waterHas the only known life

Mars:Mars:

2 MoonsThin AtmosphereThe “Red Planet”Tallest volcano in solar system

2 MoonsThin AtmosphereThe “Red Planet”Tallest volcano in solar system

JupiterJupiter

Largest PlanetMade mostly of H and HeMany moons (about 64)Has a red spot (1.5 X the diameter

of Earth)Radiates more heat than it gets

from the Sun

Largest PlanetMade mostly of H and HeMany moons (about 64)Has a red spot (1.5 X the diameter

of Earth)Radiates more heat than it gets

from the Sun

Compare the sizes of the Gas Giants

Compare the sizes of the Gas Giants

Saturn:Saturn:

Made mostly of H and HeMany moons (about 32)Less dense than waterLargest rings

Made mostly of H and HeMany moons (about 32)Less dense than waterLargest rings

Uranus:Uranus:

Much smaller than Jupiter and Saturn

Axis tilted at a 90 degree angleHas many moons (27)

Much smaller than Jupiter and Saturn

Axis tilted at a 90 degree angleHas many moons (27)

Neptune:Neptune:

Much smaller than Jupiter and Saturn

Many moons (13)“Windy Planet”

Much smaller than Jupiter and Saturn

Many moons (13)“Windy Planet”

Pluto:Pluto:

Smallest PlanetFarthest out from the sun - coldest

planet 1 moon which is more than half the size

of PlutoOrbit is so elliptical that it’s path is

inside Neptune’s for 20 yearsIt just became last again in 2005.

Smallest PlanetFarthest out from the sun - coldest

planet 1 moon which is more than half the size

of PlutoOrbit is so elliptical that it’s path is

inside Neptune’s for 20 yearsIt just became last again in 2005.

Compare the size of the Sunto all 9 Planets!

Compare the size of the Sunto all 9 Planets!