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Top Voted Definition for #astronomy
All things astronomy.
show_chart Other Definitions for #astronomy
Astronomy is a natural science that is the study of celestial objects (such as stars, galaxies, planets, moons, and nebulae), the physics, chemistry, and evolution of such objects, and phenomena that originate outside the atmosphere of Earth, including supernovae explosions, gamma ray bursts, and cosmic microwave background radiation
The study of the night skies, the celestial spheres and outer space.
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