1. Solar System

2. Ideas About the Universe
How big? ?
40 Feet Long ?
2 thousand miles diameter ?
75 thousand miles diameter ?
875 thousand miles diameter ?
600 trillion miles across ?
600 thousand trillion miles across ?
600 million trillion miles across ?

3. Ideas About the Universe
How Far? ?
350 miles ?
250 thousand miles ?
93 million miles ?
790 million miles ?
2400 trillion miles ?
200 million trillion miles ?
30 billion trillion miles ?

4. Ideas About the Universe
How Old ??
About 25 years ?
80 million years ?
~4.5 billion years ?
~4.5 billion years ?
~4.5 billion years ?
~10 billion years ?
~10 billion years ?

5. Objects in the Solar System
The Sun
Planets
Dwarf Planets
Asteroids
Comets

6. Astronomical Unit (AU)
The average distance from Earth to the Sun
About 150 million km

7. Motion of Planets Revolution Rotation
Time it takes an object to travel once around the sun
Rotation
Time it takes an object to spin once on its axis

8. Motion of Planets Elliptical Orbit
Planets travel in an elliptical orbit