Link a Strutture di Ricerca straniere - Link to Foreign Research Boards
Cornell University - Department of astronomy
CfA - Harvard-Smithsonian Center for Astrophysics - Cambridge, MA
ESA - European Space Agency  --  ESA - European Space Agency (italian site)
ESO - European Southern Observatory
EUA - European University Association
IAU - International Astronomical Union
IAC - Instituto de Astrofísica de Canarias
Institute of Astronomy - Cambridge, UK
ICRA - International Center for Relativistic Astrophysics
John Hopkins University - Department of Physics & Astronomy
MPA - Max-Planck Institute for Astrophysics
MPE - Max-Planck Institut für Extraterrestrische Physik
NASA - National Aeronautics and Space Administration
SDAC - Solar Data Analysis Center - NASA Goddard Space Flight Center
NRAO - National Radio Astronomy Observatory
NSO - National Solar Observatory
ST-ECF - (Hubble) Space Telescope European Coordinating Facility
STScI - (Hubble) Space Telescope Science Istitute
University of Leicester - Department of Physics & Astronomy
Vatican Observatory