http://www.seds.org/billa/tnp

"The Nine Planets: A Multimedia Tour of the Solar System," by Bill Arnett Excellent pictures, glossary, and other info. One of the best astronomy web sites.

http://pds.jpl.nasa.gov/planets

"Welcome to the Planets." Nice pictures, fact sheets, and other info.

http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-earth.html

National Space Science Data Center A NASA site with lots of pictures, fact sheets, glossary.

http://moonsighting.com/

Moon Sightings

http://www.lhl.lib.mo.us/pubserv/hos/moon/cover.htm

Linda Hall Library

http://umbra.gsfc.nasa.gov/eclipse/predictions/eclipse-paths.html

Solar Eclipse Path Predictions

http://www.kalmbach.com/astro/astronomy.html

Tips for Photographing a Lunar Eclipse

http://nssdc.gsfc.nasa.gov/photo_gallery/PhotoGallery-SolarSystem.html/

Solar System Family Portrait

http://www.fourmilab.ch/earthview/vplanet.html

Earth Viewer

http://www-sn.jsc.nasa.gov/explore/Data/Facts/LFacts.htm

Lunar Facts

http://www.nrl.navy.mil/clementine/clib

Clementine Lunar Image Browser

http://www.nasm.edu/APOLLO/LunarTop10.html

Top 10 Scientific Discoveries from Apollo

http://cass.jsc.nasa.gov/pub/expmoon/lunar_missions.html

Exploring the Moon in 3D

http://tycho.usno.navy.mil/vphase.html

Virtual Reality Moon Phase Pictures

http://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html

Moon Fact Sheet

http://planets.gsfc.nasa.gov/eclipse/eclipse.html

Eclipses, past, present, and future

http://tbone.biol.sc.edu/tide/sitesel.html

Ocean tide predictions

http://www.ksc.nasa.gov/history/history.html

NASA Archive of Space Exploration

http://cass.jsc.nasa.gov/lpi.html

Lunar and Planetary Institute

http://www.hq.nasa.gov/osf/

Office of Space Science