The Solar System

1
The Solar System

• Chapters 26 and 27
• You will be tested on the Underlined words

2
Our Solar System
Pluto ?
Neptune
Uranus
Saturn
Jupiter
Mars
Earth
Venus
Mercury
3
The Inner Planets
Mars
Sun
Earth
Venus
Terrestrial-earthlike, rocky crust, dense
mantle and core
The Inner planets are grouped together because
they have similar characteristics
Mercury
4
Orbits of the Inner Planets
5
Mercury

• The smallest of 4 inner planets. (terrestrial
  planets)

6
Mercury and Earth
Moon
All pictures are to scale so you can relate size
7
Venus

• Called Earths sister planet
• Near each other

• Similar in size, mass and gravity

8
Venus and Earth
9
Earth
10
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 UFOs ?
• Moons The Moon

• Interesting Facts Only planet with known life,
  only planet with liquid water, most dense planet

11
Mars
May have life
12
Mars and Earth
13
The Asteroid Belt

• Separates the Inner and Outer planets
• Ceres-

• Dwarf planet-
• Orbits sun
• Spherical
• Not a satellite (moon)

14
The Outer Planets
?
15
The Outer Planets

• 4 Outer Planets are called Jovian
• Gaseous planets
• Outer layer is mostly Hydrogen

• Jovian - Jupiter-like

16
Jupiter
17
Jupiter Earth
18
Saturn
19
Saturn and Earth
20
Uranus
21
Uranus and Earth
22
Neptune
23
Neptune and Earth
24
Planet Pluto ??

• Now considered a dwarf planet-
• Orbits sun
• Spherical
• Not a satellite (moon)
• Charon-
• Plutos large moon

25
Pluto and Earth
Charon
Moon
Pluto
26
(No Transcript)
27
Orbits of the Outer Planets
28
Past Pluto?
29
Past Pluto?
30
Quiz Time!

• Match the name of the object with the number, and
  give one interesting thing you learned about that
  object

10
9
8
7
6
5
4
3
2
1
31
Answers