University of California
At Home Astronomy: Hands on Science Experiments for the Entire Family
A collection of ten hands-on science experiments for the entire family that will help you understand concepts in astronomy. Make an astrolabe, find the size of the sun and moon, build a lunar settlement, find out about meteoroids, shadow...
Other
Buzzle.com: Univer Savvy: Which Is Bigger the Earth or Sun?
Find out what the diameter and volume of the Earth and the Sun are and learn just how much bigger the Sun is. Also explains how the Sun compares to the Moon.