All verified mentions of this organization in source documents.
The International Astronomical Union led a study finding that Amazon’s Project Kuiper satellites currently exceed brightness recommendations intended to protect ground-based astronomy.
The International Astronomical Union's Working Group for Small Body Nomenclature manages the asteroid naming process.
The International Astronomical Union approved the naming of 10 asteroids in 2025 after people and places associated with the European Space Agency’s efforts to protect Earth from asteroids and comets.
Asteroid names proposed to the International Astronomical Union must follow specific guidelines, such as being no longer than 16 characters.
In classic black widow binaries, the companion is a low-mass star, but PSR J2322-2650b is classified as an exoplanet by the International Astronomical Union.
The celebration is organized in partnership with the International Planetarium Society (IPS) and the Office for Astronomy Outreach (OAO) of the International Astronomical Union (IAU).
The International Astronomical Union established the working group Astronomy from the Moon in 2024 to define and rank key lunar sites for astronomical work.
Corrected magnitude represents the apparent brightness of satellites adjusted for distance, with a maximum threshold set by the International Astronomical Union of 7.2.
Astronomers are exploring funding models for SatHub, potentially seeking support from the International Astronomical Union.