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, co
A voting session is conducted in 2006 International Astronomical Union's general assembly for determining a new definition of a planet
Galileo Galilei is often referred to as the father of modern astronomy. Portrait by Justus Sustermans.
Johannes Kepler, one of the fathers of modern astronomy
Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, the practice and study of observing celestial objects with the use of telescopes
Mayall telescope at Kitt Peak National Observatory
An assembly in Estonia to observe meteors
Overview of types of observational astronomy by observed wavelengths and their observability.
Ultra HD photography taken at La Silla Observatory