This figure illustrates some of the scientific areas which will be addressed by GAIA. More detailed information can be found in the Scientific Topics section (see the Science Index). The various measurements made by the mission: Astrometry, Photometry and Radial Velocity, are also presented in some detail.
GAIA has completed a detailed Concept and Technology Study, and will
be considered for selection as a future ESA cornerstone mission in September
2000.
Summary of Gaia Capabilities