Optical and Infrared

Research, education and outreach, mission, star tales, and links.

Mission overview from NASA which is participating in this European Space Agency program.

Includes information on the mission, news, the design of the spacecraft, the launch, navigation and the science operations.

Equipment, instruments and detectors, schedule, publications, and data bank.

Is 6.5 meters in diameter and provides historical information, public access information, and visual resources.