8A: Planetary Astronomy
| Number/Name | Image | Description |
|---|---|---|
| 8A10.10 - Orrey |  | A Mechanical model of the plane solar system. |
| 8A10.25 - Phases of the Moon |  | Have the students use golf balls to show the phases of the moon. |
| 8A10.80 - Celestial Sphere |  | Model of the sky as seen from Earth. |
| 8A20.20 - Cratering |  | This demonstration illustrates how craters are formed. |