2. Activity 1: Solar System Model (30 minutes) Hands-on Activity: Students will create a model of the solar system using Styrofoam balls, paint, and string.

Astronomy often focuses on objects that are vast distances from Earth – stars that are light-years away, galaxies that are ...

A model of the planet Saturn stands near Route 1 in Westfield, Maine, Friday, May 9, 2003. (Robert F. Bukaty/AP File) ...