Linked from

The 47 pages that link to International Astronomical Union, each with the reason it gives.

• Astronomical unitRelated: The IAU fixed the astronomical unit's value in metres in 2012.

• PlutoRelated: Its 2006 definition of a planet placed Pluto in the dwarf-planet category.

• ConstellationRelated: It adopted the 88 modern constellations and their official boundaries in the twentieth century.

• Dwarf planetRelated: Its 2006 resolution established the formal definition of a dwarf planet.

• Sidereal timeRelated: Its modern reference-system resolutions guide current transformations involving sidereal time.

• Women in astronomyRelated: Its programs and policies shape global efforts toward inclusion in the profession.

• Small Solar System bodyRelated: Its 2006 definitions established the categories that exclude planets, dwarf planets, and natural satellites.

• Universal TimeRelated: Its resolutions formalized astronomical definitions and refinements of Universal Time.

• Galactic coordinate systemRelated: It adopted the standard Galactic coordinate system used in modern astronomy.

• Ursa MajorRelated: Its boundary system makes Ursa Major a precisely delimited region of the sky.

• AsterismRelated: It formally recognized the 88 constellations and their boundaries.

• Bayer designationRelated: Modern constellation boundaries govern which stars receive a given constellation genitive.

• CruxRelated: It formalized Crux's boundaries among the 88 modern constellations.

• Minor planetRelated: Its terminology and naming rules shape the modern classification of minor planets.

• International Atomic TimeRelated: The IAU adopted atomic timekeeping recommendations that shaped TAI’s institutional development.

• Nicolas-Louis de LacailleRelated: Its standard constellation list retains the 14 figures Lacaille introduced.

• HaumeaRelated: The IAU recognized Haumea as a dwarf planet and approved its official name.

• International Celestial Reference SystemRelated: The IAU adopted the ICRS as the standard celestial reference system in 1997.

• Minor Planet CenterRelated: The Center operates under the Union's authority for minor-planet and comet designations.

• Southern celestial hemisphereRelated: Its standards help define consistent maps of the southern celestial hemisphere.

• Argo NavisRelated: Its modern constellation system recognizes Carina, Puppis, and Vela rather than Argo Navis.

• ArrokothRelated: The IAU approved Arrokoth as the object’s official name in 2019.

• Canis MajorRelated: It formalized Canis Major’s modern boundaries in the twentieth century.

• SIMBADRelated: IAU naming conventions inform designations used in astronomical databases.

• 2I/BorisovRelated: Its naming system designated the comet as the second confirmed interstellar object.

• Canes VenaticiRelated: Its formal boundaries give Canes Venatici its modern astronomical definition.

• Simon NewcombRelated: Its later adoption of new constants marked the end of the system built around Newcomb’s values.

• Piscis AustrinusRelated: Its modern constellation boundaries fix Piscis Austrinus as a precise sky region.

• Canis MinorRelated: Its 1922 adoption of official constellation boundaries fixed Canis Minor’s modern extent.

• Corona AustralisRelated: It established the official modern constellation boundaries used for Corona Australis.

• Corona BorealisRelated: Its modern boundaries define which stars officially belong to Corona Borealis.

• IAU definition of planetRelated: The IAU adopted the Solar System planet definition at its 2006 General Assembly.

• PictorRelated: It standardized Pictor’s official boundaries in the twentieth century.

• TucanaRelated: Its 1922 constellation list and 1930 boundaries fixed Tucana’s modern official extent.

• AreographyRelated: It standardizes the names used on modern maps of Mars.

• Astronomical system of unitsRelated: Its resolutions changed the formal definitions of astronomical constants and units.

• CamelopardalisRelated: Its 20th-century boundary system fixed Camelopardalis as one of 88 official constellations.

• Leo MinorRelated: It formalized Leo Minor’s boundaries as part of the 88 modern constellations.

• List of Chinese star namesRelated: Its naming decisions distinguish officially recognized star names from historical catalog labels.

• MicroscopiumRelated: Its standardized boundaries determine which stars and objects belong to Microscopium.

• OctansRelated: Its standardized boundaries make Octans one of the 88 official constellations.

• Pi PuppisRelated: Its naming decisions govern the recognized proper name Ahadi.

• Triangulum AustraleRelated: Its boundaries distinguish Triangulum Australe from neighboring sky regions.

• Viktor AmbartsumianRelated: Ambartsumian served as its president from 1961 to 1964, extending his influence beyond Soviet astronomy.

• Zhang YuzheRelated: Its naming and cataloging systems provide an international context for Zhang’s discoveries.