astronomer
Sign in to savethumb|upright=1.5|A voting session is conducted in 2006 International Astronomical Union's general assembly for determining a new definition of a planet
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Article
10 sectionsContents
- Character of work
- Subfields
- Academic
- History
- Activities and graduate degree training
- Amateur astronomers
- See also
- References
- Sources
- External links
thumb|upright=1.5|A voting session is conducted in 2006 International Astronomical Union's general assembly for determining a new definition of a planet
An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers study astronomical objects, such as stars, planets, moons, comets and galaxies, by some combination of observation and the application of astrophysical models. Examples of topics or fields astronomers study include planetary science, solar astronomy, the origin or evolution of stars, or the formation of galaxies. A related but distinct subject is physical cosmology, which studies the universe as a whole.