The amount of material available on the WWW is totally overwhelming. Here's a few places I may start when seeking information on the solar system and planetary geology. Many other interesting sites are available and I'll start adding some now and then.

ASTROWEB. Anything you might want to know about Astronomy/Astrophysics on the net.

LUNAR AND PLANETARY INSTITUTE. Home of Lunar and Planetary Science Conference.

ABSOLUTE ASTRONOMY. Useful compilation of information.

THE ICQ COMET INFORMATION WEBSITE.

THE METEORITICAL SOCIETY. Solar system debris.

ASSOCIATION OF LUNAR & PLANETARY OBSERVERS. Solar System information.

MALIN SPACE SCIENCE SYSTEMS. Recent Mars global surveyor images.

THE PLANETARY SOCIETY. Good site for beginners. Lots of links.

ARIZONA STATE UNIVERSITY PLANETARY GEOLOGY GROUP

THE MARS SOCIETY. Interested in Mars exploration?

THE SAN DIEGO CHAPTER OF THE MARS SOCIETY.

SOLAR SYSTEM DYNAMICS. Useful information.

TERRESTRIAL IMPACT CRATERS. Good source of information.

GEOLOGICAL SOCIETY OF AMERICA PLANETARY GEOLOGY DIVISION

METEORITES AND THEIR PROPERTIES. An excellent account.

THE NINE PLANETS. A nifty and useful compendium.

IAU: MINOR PLANET CENTER. More than you'd imagine.

NASA HOMEPAGE. What more can you say? All NASA projects linked here.

SDSU Department of GEOLOGICAL SCIENCES. Loaded with links.

SDSU Department of ASTRONOMY plus the Mount Laguna Observatory.

Gary L. Peterson | San Diego State University | gpeterson@geology.sdsu.edu