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Text File  |  1995-11-04  |  360b  |  10 lines
  1. Seyfert galaxy: Named after
  2. astronomer Carl Seyfert who
  3. discovered them in the early 1940s,
  4. the nuclei of these galaxies show the
  5. spectral features characteristic of very
  6. hot gas localized in a small region,
  7. conditions that suggest violent
  8. activity in the galaxiesΓÇÖ centers.
  9. Seyfert galaxies are one type of galaxy
  10. with active galactic nuclei (AGN).