Articulos de investigacion y de divulgacion que he escrito, tratando de abarcar las diferentes ramas de la Astronomia (Astrofisica, Instrumentacion, Cosmologia, Astrobiologia, Historia, Planetologia, Observacional, etc). You can use this material for personal and educational purposes only. Research and popularization papers I wrote about Astronomy. You can find here papers on different topics: Astrophysics, Instrumentation, Astrobiology, Planetology, History, Cosmology, Observational, etc