Tycho Brahe

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Painting of Danish astronomer Tycho Brahe wearing a black robe with a white ruffled collar and a gold chain necklace with a large pendant.

At a Glance

Tycho Brahe summary

Quizzes

View of the Andromeda Galaxy (Messier 31, M31).

Astronomy and Space Quiz

Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.

Faces of Science

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

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Related Questions

How bright did Tycho’s Nova become in the sky?
How did Tycho Brahe produce his own scientific manuscripts at Uraniborg?
How did Tycho Brahe use parallax to study the 1572 nova?
How did Tycho Brahe’s data contribute to Isaac Newton’s later work?
How did Tycho Brahe’s early observations change his career plans?
How did Tycho Brahe’s observations help Johannes Kepler discover the laws of planetary motion?
How did Tycho Brahe’s relationship with Christian IV affect his career?
How did the Tychonic system combine ideas from Ptolemy and Copernicus?
How did the Tychonic system explain the phases of Venus?
How many children did Tycho Brahe and Kirstine have?
How was the Tychonic system mathematically related to the Copernican system?
What did Tycho Brahe publish about the new star of 1572?
What kinds of scientific facilities did Tycho Brahe build at Uraniborg?
What material was Tycho Brahe’s prosthetic nose made from?
What type of supernova was Tycho’s Nova?
What was Uraniborg?
What was the Tychonic system of the solar system?
When and where did Tycho Brahe die?
When did Tycho Brahe observe the new star in Cassiopeia?
Where did Tycho Brahe move after leaving Denmark?
Where did Tycho Brahe study after attending the University of Copenhagen?
Where was Tycho Brahe’s Uraniborg observatory located?
Which European cities did Tycho Brahe visit while studying astronomy?
Which bodies orbited Earth in Tycho Brahe’s model of the solar system?
Which planets orbited the Sun in Tycho Brahe’s model?
Which ruler became Tycho Brahe’s patron in Prague?
Who gave Tycho Brahe the island of Ven for his observatory?
Why did Tycho Brahe leave the island of Ven in 1597?
Why did Tycho Brahe reject the idea that Earth moved around the Sun?
Why did Tycho Brahe’s 1572 nova challenge Aristotle’s ideas about the heavens?
Why was Tycho Brahe’s work important before the telescope was invented?
Why was Tycho’s Nova important to astronomy?
Why was Uraniborg considered both a primitive and a modern observatory?
How has Galileo influenced science?
What is René Descartes known for?
What was René Descartes’s family like?
How did René Descartes die?
What is Isaac Newton most famous for?
How was Isaac Newton educated?
What was Isaac Newton’s childhood like?
Why is Nicolaus Copernicus famous?
What did Nicolaus Copernicus do for a living?
How did Nicolaus Copernicus influence others?

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External Websites

Niels Bohr Institute - Tycho Brahe - the founder of modern observing astronomy
World History Encyclopedia - Tycho Brahe
NASA - Chandra X-ray Observatory - The Astronomers Tycho Brahe and Johannes Kepler
University of Virginia - Galileo and Einstein - Tycho Brahe
The Linda Hall - Tycho Brahe
Physics LibreTexts - Tycho Brahe (1646-1601) - The Celebrated Collector of Planetary Data
Famous Scientists - Tycho Brahe
National Center for Atmospheric Research - High Altitude Observatory - Tycho Brahe (1546-1601)
Brigham Young University - ScholarsArchive - Tycho Brahe: Science and Life in the Danish Renaissance
The Galileo Project - Tycho Brahe
Space.com - Biography of Tycho Brahe

Britannica Websites

Articles from Britannica Encyclopedias for elementary and high school students.

Tycho Brahe - Student Encyclopedia (Ages 11 and up)

Tycho Brahe

Danish astronomer

Written by

Olin Jeuck Eggen

Senior Astronomer, Cerro Tololo Interamerican Observatory, La Serena, Chile.

Olin Jeuck Eggen

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Britannica Editors

Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....

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Last updated

Oct. 20, 2026 •History

Tycho Brahe (born December 14, 1546, Knudstrup, Scania, Denmark—died October 24, 1601, Prague) was a Danish astronomer whose work in developing astronomical instruments and in measuring and fixing the positions of stars paved the way for future discoveries. His observations—the most accurate possible before the invention of the telescope—included a comprehensive study of the solar system and accurate positions of more than 777 fixed stars. Tycho’s father was a privy councillor and later governor of...

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