Arthur Hoag
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Arthur Allen Hoag was an American astronomer most famous for his discovery of Hoag's Object, a type of ring galaxy, in 1950. He worked at the Naval Ordnance Laboratory, was director of the stellar div
Hoag's Object, taken by the Hubble Space Telescope in July 2001
Astronomer
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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