International Astronomical Union
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The International Astronomical Union (IAU; French: Union astronomique internationale, UAI) is a non-governmental organisation with the objective of advancing...
abbreviations have been in use for the astronomical unit. In a 1976 resolution, the International Astronomical Union (IAU) had used the symbol A to denote...- constants, along with recommended values, have been defined by the International Astronomical Union (IAU) several times: in 1964 and in 1976 (with an update in...
- objects, and where relevant, features of those objects. The International Astronomical Union (IAU) is the recognized authority in astronomy for assigning...
- by the International Astronomical Union (IAU) in 1976 via Resolution No. 1, and has been significantly updated in 1994 and 2009 (see Astronomical constant)...
abbreviation comes as a result of the International Telecommunication Union and the International Astronomical Union wanting to use the same abbreviation...
question marks, boxes, or other symbols. Astronomical symbols are abstract pictorial symbols used to represent astronomical objects, theoretical constructs and...
contemporary astronomy, 88 constellations are recognized by the International Astronomical Union (IAU). Each constellation is a region of the sky bordered by...- The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU)...
Gold Medal of the Royal Astronomical Society. The RAS is the UK adhering organisation to the International Astronomical Union and a member of the UK Science...
quasars and the most distant galaxies. In August 2015, the International Astronomical Union (IAU) passed Resolution B2 which, as part of the definition...- diverse and inclusive astronomical community. In 1970, a group of secondary school students established Hong Kong Amateur Astronomical Union (AAU)... which was...
Commission 5 (April 2008). "Naming Astronomical Objects". International Astronomical Union (IAU). Archived from the original on 2 August 2010. Retrieved...- International Council of Nurses International Association for Plant Taxonomy International Association of Hydrogeologists International Astronomical Union...
- These names of stars that have either been approved by the International Astronomical Union or which have been in somewhat recent use. IAU approval comes...
160th Symposium of the International Astronomical Union, held in Belgirate, Italy, June 14-18, 1993. International Astronomical Union. Symposium no. 160....- The International Astronomical Union at its XVIth General Assembly in Grenoble in 1976, accepted (Resolution No. 1) a whole new consistent set of astronomical...
The International Astronomical Union (IAU) defined in August 2006 that, in the Solar System, a planet is a celestial body that: is in orbit around the...- Retrieved 16 January 2023. "2023 AC1". Minor Planet Center. International Astronomical Union. Retrieved 16 January 2023. The uncertainty region for 2023...
described as binary planets. At its 2006 General Assembly, the International Astronomical Union considered a proposal that Pluto and Charon be reclassified...
- 1891 (1891) Astronomical Societies and Amateur Astronomers by L. Niesten 1196676Popular Science Monthly Volume 39 October 1891 — Astronomical Societies
- served as president of the American Astronomical Society (1974–1976) and of the International Astronomical Union (1997–2000). Self-study, in a sense of
- as Critical Tools and Tests in Contemporary Astrophysics, International Astronomical Union. Symposium no. 240, held 22-25 August, 2006 in Prague, Czech