1. Revolution Revolution Revolution Revolution Revolution
The purpose of this presentation is to help you understand the terms of rotation and revolution as it relates to the planets in our solar system. How does the animation to the right show the meaning of these words?
Revolution Revolution Revolution Revolution Revolution
Rotation
&

2. Before Pushing Start… Try to make a hypothesis of what will happen
Will the planet start spinning on it’s axis or orbiting the sun?
Will it rotate or revolve faster or slower compared to the Earth?
How will it’s rotation compare to it’s revolution?

3. Earth •
Start
Start
1 day
365 days

4. Mercury •
Start
Start
58.64 days
87.6 days

5. Venus •
Start
Start
243 days
226.3 days
clockwise

6. Mars •
Start
Start
1.03 days
686 days

7. Jupiter •
Start
Start
.41 days
4,329 days

8. Saturn •
Start
Start
.43 days
10,753 days

9. Uranus •
Start
Start
.65 days clockwise
30,664 days

10. Neptune •
Start
Start
.67 days
60,152 days

11. Planet Rotation and Revolution
Planets
Revolution
(in Earth days)
Direction
Rotation
Mercury
87.60
Counterclockwise
58.64
counterclockwise
Venus
226.30
243.00
clockwise
Earth
365.00
1.00
Mars
686.20
1.03
Jupiter
0.41
Saturn
0.43
Uranus
0.65
Neptune
0.67
Discussion
Which planets have days longer than their years?
Which planet would you have to wait the longest to have your birthday every year?
Compared to Earth would a planet with a 12 hour day have a shorter or longer rotation?
Which planet would rotate the most in one year?