Sean O'Neil gamasutra article
Dave Hill research project
Bad Dog Real-Time Procedural Planet
Jon Harrop Real-time Level of Detail Planet Rendering
Planet heightmaps and textures:
Space Graphics, textures of Mars, Earth and asteroids.
Planetary image maps features planet textures and heightmaps.
Maps of the solar system, textures of solar system planets.
Blue Marble, high-res
textures of Earth.
OpenUniverse maps, high-res textures of the Moon
Nirgal.net, extensive collection of information about Mars. In French.
Planets: Physical Data, JPL/SSD data.
Orbiter, space flight simulator. Orbiter enables you to
pilot spaceships (real or sci-fi). It is a kind of "hard-SF" program relying upon accurate physics.
Open Universe, a solar system simulator. It implements the proper motion of
planetary bodies and some asteroids. You can freely travel around to view the bodies.
Celestia, space simulation. You can not only view the solar system
but also others stars (108,000 stars referenced, some with extrasolar planets). Eclipses are rendered.
Vers les étoiles, site du newsgroup français fr.sci.astronautique.