International Astronomical Union

About the Author

The International Astronomical Union (IAU), founded in 1919, stands as the preeminent global organization dedicated to advancing astronomical research and fostering international collaboration among scientists. Comprising over 12,000 members from more than 100 countries, the IAU plays a pivotal role in defining celestial nomenclature, coordinating major observational programs, and organizing symposia that shape our understanding of the cosmos. Its publications, including proceedings from key colloquia, serve as vital resources for the astronomical community, documenting groundbreaking discussions on topics like cosmic expansion and redshift phenomena. Through its rigorous standards and inclusive initiatives, the IAU continues to illuminate the frontiers of space science, promoting education and discovery for generations of astronomers worldwide.