An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy.

An astronomer is a research scientist who studies the elements of the universe with the purpose of a better understanding of how the universe works, if life exists or existed elsewhere and how astronomers can apply knowledge of space phenomena to other fields of study.

Astronomers are highly specialized scientists who study the natural world, including the universe, matter and energy. Depending on their field of research, astronomers may have various job duties, such as developing scientific theories, analyzing data and preparing research reports.

An astronomer studies celestial objects and phenomena in the universe. They explore and investigate various aspects of the cosmos, including stars, planets, galaxies, asteroids, comets, and other celestial bodies.