Link utili – Siti internazionali
Da qui si può accedere a siti non italiani che si occupano di astronomia, astrofisica e settori correlati.
AAS American Astronomical Society
AAVSO American Association of Variable Star Observers
ALPO Association of Lunar & Planetary Observers
Association of Universities for Research in Astronomy
Astronomers Amateurs du Luxembourg
Astronomical Society of Australia
Astronomical Society of Pacific
Astronomical Society of Singapore
BAA British Astronomical Association
California & Carnegie Planet Search
EAS European Astronomical Society
EADS European Aeronautic Defence and Space Company
Enciclopedia dei Pianeti Extrasolari
IMCCE Institut de Mécanique Céléste et de Calcul des Ephéméridess
IAA International Academy Astronautics
IAU International Astronomical Union
IMO International Meteor Organization
IOTA International Occultation Timing Association
IPA Institute of Applied Astronomy Russian Academy of sciences
Jet Propulsion Laboratory JPL-NASA
Royal Astronomical Society of Canada
Royal Astronomical Society of New Zealand
Space Audio from University of Iowa (Prof. Donald A. Gurnett)
