Terrestrial Impact Crater Dimensions. Adapted from BASIC code in a
November 1996 Sky & Telescope article.
See Sky & Telescope's BASIC listing page for the original code.
Tested successfully against:
Netscape version 4.07 for Linux and 4.5 for Windows 95 and Macintosh
Internet Explorer version 4.0 for Windows 95 and 4.01 for Macintosh