Famous Danish Astronomers

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 1 
Tycho Brahe
(16th Century Danish Astronomer Who is Known for His Accurate and Comprehensive Astronomical Observations)
Tycho Brahe
8
Birthdate: December 14, 1546
Sun Sign: Sagittarius
Birthplace: Knutstorp Manor, Sweden
Died: October 24, 1601
Danish astronomer and writer Tycho Brahe, an heir to a noble family, was one of the last greatest naked-eye astronomers. According to the Tychonic system of astronomy, the Sun orbited the Earth. His assistant Johannes Kepler used Tycho's astronomical data to form his laws of planetary motion.
 2 
Ole Rømer
(Astronomer)
Ole Rømer
6
Birthdate: September 25, 1644
Sun Sign: Libra
Birthplace: Aarhus, Denmark
Died: September 19, 1710

Ole Rømer was a Danish astronomer known for making the first quantitative measurements of the speed of light in 1676. Born into a wealthy family where his interest in mathematics and astronomy were encouraged, he went on to study at the University of Copenhagen. He had a high-profile career and was employed by the French government under King Louis XIV. 

 3 
Peter Naur
(Danish astronomer)
Peter Naur
3
Birthdate: October 25, 1928
Sun Sign: Scorpio
Birthplace: Frederiksberg
Died: January 3, 2016

Peter Naur was a Danish computer science pioneer. Along with John Backus, he contributed to the development of the Backus–Naur Form (BNF) notation used in describing the syntax for most programming languages. He began his career as an astronomer, eventually shifting to computers. He was a professor of computer science at the University of Copenhagen for many years. 

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 4 
John Louis Emil Dreyer
(Danish Astronomer)
John Louis Emil Dreyer
1
Birthdate: February 13, 1852
Sun Sign: Aquarius
Birthplace: Copenhagen, Denmark
Died: September 14, 1926

John Louis Emil Dreyer was a Danish astronomer. He is best remembered for serving as the president of the Royal Astronomical Society from 1923 to 1925. Prior to his service as the president John Louis Emil Dreyer was honored with the gold medal, the highest award given by the society, in 1916.

Christen Sørensen Longomontanus
2
Birthdate: October 4, 1562
Sun Sign: Libra
Birthplace: Jutland, Egtved, Denmark
Died: October 8, 1647

Christen Sørensen Longomontanus was a Danish astronomer best remembered for developing Tycho Brahe's geoheliocentric model of the universe. Brahe's geoheliocentric model, which was also known as the Tychonic system, was widely accepted at that time. Christen Sørensen Longomontanus also published major works in astronomy and mathematics such as Systematis Mathematici and Disputatio de Eclipsibus. 

 6 
Bengt Strömgren
(Danish Astronomer and Astrophysicist Who Pioneered the Present-Day Knowledge of the Gas Clouds in Space)
Bengt Strömgren
1
Birthdate: January 21, 1908
Sun Sign: Aquarius
Birthplace: Gothenburg, Sweden
Died: July 4, 1987
Bengt Strömgren was a Danish astrophysicist and astronomer best remembered for pioneering photoelectric photometry and developing what is now called the Strömgren photometric system. His immense contributions to astrophysics were honored with the prestigious Bruce Medal in 1959. In 1967, the French Academy of Sciences awarded him the Janssen Medal.