Discusión:Brazo de Orión

Hello, this file may be useful for updating this article. References are:

• http://adsabs.harvard.edu/abs/2008ApJ...672..930V
• http://adsabs.harvard.edu/abs/2009ApJ...693..413X
• http://adsabs.harvard.edu/abs/2010PASJ...62..287S

Bye. --Roberto Segnali all'Indiano 13:28 30 jun 2010 (UTC)