Space Science: Missions: Unmanned: Page 2

Discovery candidate mission designed to detect and characterize hundreds of Earth-size planets in the Habitable Zone of a wide variety of stars.

Mission information and characteristics.

Rossi X-Ray Timing Explorer is a Goddard mission which was launched on December 30th, 1995. RXTE is designed to facilitate the study of time variability in the emission of X-ray sources with moderate spectral resolution.

Browsable information on dozens of interplanetary NASA programs. Includes links to official mission homepages.

Scheduled for launch in 2006, the SIM will determine the positions and distances of stars several hundred times more accurately than any previous program. Information on the SIM and its technology.

Information and data on those of ESA's past, present, and future satellite missions related to astronomy and astrophysics.

NASA's low-cost, experimental spacecraft program. Includes the "Deep Space" missions.

Mission information and data on the spaceborn solar observatory.

A spaceborne, cryogenically-cooled imaging telescope designed to explore the evolution of starburst galaxies and to search for protogalaxies.

Features planetary imagery, research, GIS, mapping, and image processing software. Offers data from a variety of space mission.