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Title: “The International Astronomical Union: Guardians of the Celestial Realm“ The International Astronomical Union (IAU) plays a pivotal role in governing the realm of astronomy. Founded in 1919, this global organization brings together astronomers from around the world to promote and coordinate astronomical research and standards. One of its most significant functions is defining the classifications and naming conventions for celestial bodies, such as planets, stars, and asteroids. The IAU's work led to the reclassification of Pluto as a “dwarf planet“ in 2006, a decision that sparked widespread discussions. Additionally, the IAU supports international cooperation and collaboration in astronomy, organizes scientific meetings and symposia, and fosters education and outreach efforts to spread knowledge about the universe. In essence, the IAU serves as a guardian of astronomical standards, making sure that the celestial realm is explored and understood with
