SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time and in many wavelengths simultaneously.
The Cassini-Huygens Mission to the Saturnian system is a multinational cooperation between three space agencies and 17 nations. Starting in 2004, the spacecraft will explore Saturn, its mysterious rings and its many moons. The Cassini space...
NASA's Spitzer Space Telescope is a space-based infrared observatory, part of NASA's Great Observatories program (which also includes Hubble, Chandra, and Compton). This is the mission's official homepage, including mission information, pi...
ESO is the European Organisation for Astronomical Research in the Southern Hemisphere. It operates the La Silla Paranal Observatory in Chile and has its headquarters in Garching, near Munich, Germany.