Part of <a href="https://en.wikipedia.org/wiki/CNO_cycle" class="extiw" title="w:CNO cycle">CNO cycle</a> diagram, made just to be illustrative for nuclear reactions in general.
<a href="//commons.wikimedia.org/wiki/User:Kjerish" title="User:Kjerish">Kjerish</a>
CC BY-SA 4.0
This file has been <b>extracted</b> from another file