MACS

See also: MACs, Macs, macs, and mačs

English

Proper noun

MACS

  1. (astronomy) Abbreviation of MAssive Cluster Survey A survey for a statistically complete sample of distant (0.7>z>0.3) very X-ray luminous massive clusters of galaxies (galaxy clusters), culled from the ROSAT Bright Source Catalogue of X-ray sources