Definition: The word 'Astron' is a noun that refers to an astronomical system, specifically the universe as described by our planet's natural history. It was first used in the 16th century to describe the heavens, but today it has been expanded to include all celestial bodies. Definition of Astron "Astronom" is derived from the Latin word "astrum," which means "sky." The term encompasses a broad range of phenomena that occur in the universe. Astronomy covers a wide range of topics, including: - Solar System: A system composed of planets, asteroids, comets, and moons orbiting a star. - Planetary Systems: Groups of stars with similar orbits around a single sun. - Celestial Bodies: The celestial objects visible from Earth (such as the stars, planets, moons, and galaxies) that interact with our planet. Astronomy also includes topics related to the study of the universe beyond our planet. This can include topics such as dark matter, dark energy, and cosmology. In summary, Astron is a noun that refers to an astronomical system, specifically the universe as described by our planet's natural history. It encompasses a wide range of phenomena, including solar systems, celestial bodies, and more.