Welcome to The Universal Resource. This astronomy "HyperTextBook" is intended to be used by students at the senior high school or freshman college level. It can be used as part of an introductory astronomy course, or independently for students who wish to learn the basic precepts of astronomy.
This page is optimized for Netscape later than 3.0, but should be viewable with other image browsers such as Mosaic or Internet Explorer. Text-only browsers will miss the illustrations and many of the symbols.
Click here to go on to the Table of Contents .
The Universal Resource (this page and succeding links) was created and is maintained by Rosa Williams and is (c) 1995 - 1999 by Rosa Williams. Click here for Rosa Williams' Home page.
Last updated: 20 September 1999