Reference Entry


Edited by Stephen O'Meara and E. Julius Dasch

in A Dictionary of Space Exploration

Third edition

Published online July 2018 | e-ISBN: 9780191842764

More Like This

Show all results sharing this subject:

  • Astronomy and Astrophysics


Show Summary Details


One of the most distant extragalactic objects known, discovered in 1963. Quasars appear starlike, but each emits more energy than 100 giant galaxies. They are thought to be at the centre of galaxies, their brilliance emanating from the stars and gas falling towards an immense ...

Reference Entry.  117 words. 

Subjects: Astronomy and Astrophysics

Full text: subscription required

How to subscribe Recommend to my Librarian

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content. subscribe or login to access all content.