Search found 126 matches
- Thu Sep 23, 2010 5:33 pm
- Forum: The Observation Deck: Latest Sky Photography
- Topic: GZOD: The Teacup
- Replies: 10
- Views: 1483
Re: GZOD: The Teacup
So where does all the OIII radiation come from? From the nucleus? Is that typical of active galactic nuclei? Pretty much, at least considering the radiation secondhand. In more detail - the [O III] emission lines arise from excitation of O ++ ions by collisions with electrons. This process becomes ...