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Date: 20 September 2005 Satellite: Hubble Space Telescope Depicts: M 31, NGC 224 Copyright: NASA, ESA and T. Lauer (NOAO/AURA/NSF) Show in archive: true
A Hubble WFPC2 image of the core of M31. Astronomers believe the two bright objects are a ring of red stars and a disk of blue stars.