The term for the study of the universe beyond Earth’s atmosphere is "astronomy." This scientific field focuses on celestial bodies, including stars, planets, comets, galaxies, and the cosmos as a whole. Astronomers utilize various instruments and techniques, from telescopes to spacecraft, to explore the universe's mysteries. They seek to understand fundamental questions about the nature of the universe, its origins, and potential life beyond our planet. Astronomy encompasses various sub-disciplines such as astrophysics, which examines the physical properties of celestial objects, and cosmology, the study of the universe's structure, evolution, and fate.