NASA NTRS · 19860022017
Extragalactic astronomy
Abstract
Components of the active extragalactic universe are examined to discover what extragalactic objects exhibit physical processes of the same kind as those thought to be important within the galaxy. Radio galaxies; quasars; bulk ejection from galactic objects such as novae supernovae, and other galactic nuclei; the red shifts of quasars; and the possibility of non-cosmological red shifts are among the topics discussed. It is concluded that the highest energy cosmic rays may have an extragalactic or extragalactic origin.
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Burbidge, E. M.. 1986-02-01. Extragalactic astronomy. https://ntrs.nasa.gov/citations/19860022017
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