The Solar
System
Chapters 26 and 27
You will be tested on the
Underlined words
Our Solar System
Inner Planets
Pluto ?
Neptune
Uranus
Saturn
Jupiter
Mars
Earth
Venus
Mercury
Outer Planets
The Inner Planets
Sun
Earth
Mars
Venus
The Inner planets are grouped
together because they have
similar characteristics
Mercury
Terrestrial-earthlike, rocky
crust, dense mantle and
core
Orbits of the Inner Planets
Mercury

The smallest of 4 inner planets. (terrestrial
planets)
Mercury and Earth
Moon
All pictures are to scale so you can relate size
Venus

Called Earth’s sister planet
Near each other
 Similar in size, mass and gravity

Venus and Earth
Earth
Earth Facts: The Blue Planet








Size (miles): 7927
Named after: Greek Gaia-Dirt
Day length (Earth Days): 1 Day
Year length: 365 & ¼ days
Weather: ~57ºF
Space craft visits: UFO’s ?
Moons: The Moon
Interesting Facts: Only planet with known life,
only planet with liquid water, most dense planet
Mars
May have life
Mars and Earth
The Asteroid Belt
 Separates
the
Inner and Outer
planets
 Ceres Dwarf
planet-
 Orbits
sun
 Spherical
 Not a satellite
(moon)
The
Outer
Planets
?
The Outer Planets
4
Outer Planets are called Jovian
 Jovian
- Jupiter-like
 Gaseous
planets
 Outer layer is mostly Hydrogen
Jupiter
Jupiter Earth
Saturn
Saturn and Earth
Uranus
Uranus and Earth
Neptune
Neptune and Earth
Planet Pluto ??
•Now considered a
dwarf planet•Orbits sun
•Spherical
•Not a satellite
(moon)
•Charon•Pluto’s large moon
Pluto and Earth
Charon
Moon
Pluto
Orbits of the Outer Planets
Past Pluto?
Past Pluto?
Quiz Time!

Match the name of the object with the number,
and give one interesting thing you learned about
that object
2
1
3
4
5
6
7
8
9
10
Answers