Diagrama de Hertzsprung-Russell. Estrelas (Tipoloxía)
<a rel="nofollow" class="external text" href="http://www.atlasoftheuniverse.com/hr.html">R. Powells</a>, <a href="//commons.wikimedia.org/wiki/User:Rocha" title="User:Rocha">Rocha</a>, <a href="//commons.wikimedia.org/wiki/User:Lmbuga" title="User:Lmbuga">Lmbuga</a>
2006-06-18
<a href="//commons.wikimedia.org/w/index.php?title=File:H-R_diagram.gif&amp;action=edit&amp;redlink=1" class="new" title="File:H-R diagram.gif (page does not exist)">File:H-R_diagram.gif</a> (adapted from R. Powells diagram at <a rel="nofollow" class="external free" href="http://www.atlasoftheuniverse.com/hr.html">http://www.atlasoftheuniverse.com/hr.html</a>)