Definitions for "AXAF"
Advanced X-Ray Astronomy Facility, renamed the Chandra X-Ray Observatory (see below) in 1998 December.
Advanced X-ray Astrophysical Facility, the spacecraft carrying the ACIS experiment and the high resolution X-ray telescopes.
Advanced X-ray Astrophysics Facility. Renamed the Chandra X-ray Observatory and launched on July 23, 1999, the largest and most sophisticated X-ray observatory to date. [More Info