Astronomy is the scientific study of celestial objects, such as stars, planets, comets, and galaxies, as well as the phenomena that occur outside Earth's atmosphere. It encompasses the exploration of the universe's origins, evolution, and eventual fate, utilizing various scientific disciplines and methods, including physics, mathematics, and chemistry. Astronomers use telescopes and other instruments to observe and analyze light and other forms of radiation emitted by these objects, gaining insights into their properties, behaviors, and the fundamental laws of nature.
Astronomy definition
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