Astronomy Yahoo has over 250 links to astronomy information on the Web. This is a listing of astronomy and space science FTP sites worldwide. This is the University of Michigan FTP site for astronomy software for the Mac.
Many good programs are available for free downloading.
A comprehensive multimedia guide to stars and galaxies. This site has text, sound, pictures and movies. An educational tour of the solar system with information and pictures of the sun, planets, asteroids, and comets. This site includes a history of astronomy and space exploration and an astronomy glossary. An astronomy hypertextbook with lessons on properties of galaxies, planetary motion, inverse square law, stellar evolution, etc.