Extragalactic Astronomy Information
Extragalactic astronomy is the branch of astronomy concerned with objects outside our own Milky Way Galaxy. In other words, it is the study of all astronomical objects which are not covered by galactic astronomy.
As instrumentation has improved, more distant objects can now be examined in detail. It is therefore useful to sub-divide this branch into Near-Extragalactic Astronomy and Far-Extragalactic Astronomy. The former deals with objects such as the galaxies of our Local Group, which are close enough to allow very detailed analyses of their contents (e.g. supernova remnants, stellar associations). The latter describes the study of objects sufficiently far away that only the brightest phenomena are observable.
Some topics include:
References
- ^ a b M. E. Bailey, David Arnold Williams - Dust in the universe: the proceedings of a conference at the Department of Astronomy, University of Manchester, 14-18 December 1987 - Page 509 (Google Books accessed 2010)
See also
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Categories: Extragalactic astronomy
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