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Commission des Galaxies

  • R. L. Minkowski
Conference paper
Part of the International Astronomical Union Transactions book series (IAUT, volume 13B)

Abstract

Important progress has been made in almost all parts of the large field covered by the Commission. The most spectacular and dramatic new chapter of extragalactic research has expanded rapidly. Nine quasi-stellar sources only were known at the time of the XIIth General Assembly. The number of known objects of this class now ranges in the hundreds, and the discovery of the related class of radio-quiet quasi-stellar objects has opened a large field for investigations. Detailed observations of the objects do not keep up with the rapid rate of new discoveries, mainly owing to the small number of suitable telescopes, particularly in the southern hemisphere, and the restricted amount of available observing time.

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Copyright information

© Springer Science+Business Media Dordrecht 1967

Authors and Affiliations

  • R. L. Minkowski
    • 1
  1. 1.Radio Astronomy LaboratoryUniversity of CaliforniaBerkeley 4USA

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