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An astronomer is a scientist in the field of astronomy who studies stars, planets, moons, comets, and galaxies, as well as many other celestial objects -- either in Observational astronomy, in analyzing the data or in theoretical astronomy. A related but distinct subject, cosmology, is concerned with studying the universe as a whole. An astronomer researches the world beyond Earth.

Astronomer sections
Intro   Academic    Amateur astronomers    See also    References    External links   

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