Emphasizing both big observatories located in the islands Canaries, the Observatory of the Teide in Tenerife and the Observatory of the Roque de los Muchachos in the island of La Palma, which they receive to telescopes of diverse countries. These two big Observatories close to other scientific facilities and available technologies jointly constitute the "European Northern Observatory" (ENO), one of the most important centers of astrophysics observation and research worldwide. Besides, shortly the Gran Telescopio de Canarias will enter functioning, which will join the already existing telescopes increasing furthermore the international recognition of these scientific facilities.
The Hispanic - German Observatory of Calar Alto had an operation on joint form by the Max Planck's Institute for the Astronomy (Max-Planck-Institut für Astronomie) in Heidelberg, Germany and Astrofísica's Institute of Andalucia in Granada, Spain. The Yebes Astronomy Center with a new radio telescope of 40 m. recently inaugurated, it is dedicated fundamentally to the field of the radioastronomy.
Two big centers of Satellite Tracking: Madrid Deep Space Communications Complex that supports NASA's interplanetary spacecraft missions and the Villafranca Satellite Tracking Station for the ESA (European Space Agency).