Just a few links for now:
France:
AstroWeb l'astronomie des amateurs
Expostion Virtuelle - Le Ciel et la Terre
Société Astronomique de France - Accueil
Nasa
Shuttle Countdown Online
JPL - Jet Propulsion Laboratory
Mars Pathfinder Home Page
NASA
NASA: Education Services
Space Sciences Laboratory / Marshall
Space Flight Center
Misc.:
Astrobiology & Origins of
Life
Hubble Space Telescope
Naval Observatory: Astronomical Data
NOAA: Space Environment Laboratory
SETI: Search for Extraterrestrial
Intelligence
SETI@home Search for Extraterrestrial Intelligence at Home
Solar Observatory (SOHO/LASCO)
Earth Viewer (fourmilab)
Windows to the Universe
University of Washington Astronomy Department Home Page
Project AstroBio Index Page