Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Venus
Get the facts on Venus. Resource offers a variety of satellite images and facts about the structure and features of Venus.
NASA
Nasa: Image Science Center: Ask the Space Scientist
A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.