Its purpose is to contribute to and promote the advancement of astronomy in Europe. International Association of Geodesy - Member information, meeting announcements, publications and reports, awards, and links to related sites. The International Astronomical Union - founded in 1919, has a mission to promote and safeguard the science of astronomy in all its aspects through international cooperation. With now over 8,300 individual members and 60 Adhering Countries worldwide, the IAU plays a key role in promoting and coordinating worldwide cooperation in astronomy. The IAU is also the sole internationally recognised authority for assigning designations to celestial bodies and surface features on such bodies.
Site describes the group's structure and function.
It provides predictions for grazing occultations of stars by the Moon and predictions for occultations of stars by asteroids and planets, information on observing equipment and techniques, and reports to the members of observations made. Contains details about JOSO's aims, structure, meetings and working groups. The Planetary Society - A nonprofit organization that promotes exploration of the solar system and the search for extraterrestrial intelligence. Royal Astronomical Society of Canada - Key activities include research and observing planets, stars, celestial phenomena and the abatement of light pollution. Site has a newsletter, meetings and events, member directory, announcements, and links to related groups.