Astronomy is a natural science which is the study of celestial - TopicsExpress



          

Astronomy is a natural science which 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 . A related but distinct subject, cosmology , is concerned with studying the universe as a whole.
Posted on: Tue, 02 Sep 2014 14:46:47 +0000

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