PURPOSE: Illustrate the relative sizes of the planets.

DESCRIPTION: The "planets" are scaled to their actual sizes so that they may be compared. Each planet is identified.

In the picture, clockwise beginning at the left rear: Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury, and Pluto.

SUGGESTIONS:

REFERENCES: (PIRA unknown.)

EQUIPMENT: Scaled planet size discs.

SETUP TIME: None.