Directorio | Astronomía y Astronáutica | Directorios y Guías

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AAS American Astronomical Society membership directory	Astroenlazador Noticias, imágenes y recursos astronómicos clasificados.
ESO Directory of Astronomy Librarians and Libraries	IAU - Links to Astronomical Organizations - Links to Astronomical Organizations A comprehensive directory of astronomical organizations, observatories, and resources maintained by
NASA Center Libraries NASA Center Libraries
Ph.D. Alumni - Caltech Astronomy List of Ph.D. alumni from the California Institute of Technology"s astronomy graduate program.
SIMBAD Astronomical Database Reference database for the identification of astronomical objects. Query by name, coordinates, or reference codes.
Star Pages Astronomy Yellow Pages on the WWW
StarHeads database of personal web pages of astronomers