With a launch scheduled for November 2009, the Wide-field Infrared Survey Explorer (WISE) will provide an all-sky survey from 3.5 to 23 microns up to 1000 times more sensitive than the Infrared Astronomical Satellite (IRAS) survey.
find the most luminous galaxies in the Universe,
find the closest stars to the Sun,
detect most main belt asteroids larger than 3 km,
extend the 2MASS survey into the thermal infrared,
enable a wide variety of studies ranging from the evolution of protoplanetary debris disks to the history of star formation in normal galaxies, and
provide the essential catalog for the James Webb Space Telescope (JWST).