Announcement from Editorial Board The following article has been retracted due to plagiarism. This paper published in Vol.3 No.4, April 2012, has been removed from this site. Title: On the Relativistic Stars Author: Silvia Morales, Roberto Aquilano It has been brought to our attention that this paper appears exactly as it was published in Astroparticle Physics, vol. 32, 2009, 153. ('On the nature of relativistic stars' by Silvia Morales, Alejandra Zorzi, Roberto Aquilano) Consequently, this paper has been retracted by Journal of Modern Physics. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?JMP Editorial Board ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?April 30, 2015