Science · Literature · 1546–1601

Tycho Brahe — Age, Birthday & Biography

Born: 14 December 1546 · Died: 24 October 1601 · Age: 54

Danish astronomer whose precise naked-eye observations from his island observatory allowed Kepler to discover planetary laws

Did you know?He lost part of his nose in a duel with a fellow student and wore a replacement made of metal for the rest of his life.

Quick facts

  • Date of birth14 December 1546
  • Date of death24 October 1601
  • Age at death54
  • Cause of deathKidney failure
  • NationalityDanish
  • BirthplaceKnutstorp Castle, Sweden
  • Occupationastronomer, autobiographer, poet

Editor's Take:

Tycho Brahe made the most accurate measurements of the sky before the telescope. A Danish nobleman, he built a great observatory on the island of Hven. He showed that a new star in 1572 lay far beyond the Moon. That proved the heavens could change. His careful records later allowed Kepler to discover the laws of planetary motion. He wore a metal nose after losing part of his own in a duel. He kept a tame elk.

Key Milestones

  1. 1572: New star – supernova
  2. 1576: Uraniborg – observatory
  3. 1577: Comet – tracked
  4. 1599: Prague – imperial astronomer

Tycho Brahe ( TY-koh BRAH-(h)ee, -⁠ BRAH(-hə); Danish:; born Tyge Ottesen Brahe, Danish:; 14 December 1546 – 24 October 1601), generally called Tycho for short, was a Danish astronomer known for his comprehensive and unprecedentedly accurate astronomical observations which helped to turn astronomy into the first…

Text from Wikipedia, licensed under CC BY-SA 4.0

Profile

Tycho Brahe: The Astronomer of Hven

Danish astronomer, 1546–1601

Tycho Brahe was born at Knutstorp Castle, then in Denmark, on 14 December 1546.

He observed a new star in 1572.

He built Uraniborg on the island of Hven.

He moved to Prague in 1599.

Career highlights

  1. 1572New star: supernova
  2. 1576Uraniborg: observatory
  3. 1577Comet: tracked
  4. 1599Prague: imperial astronomer
  5. 1600Kepler: assistant

Did you know?His tame elk is said to have died after drinking too much beer and falling down stairs.

Age at death
54
Years since death
425

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Questions people ask

Frequently asked questions

When is Tycho Brahe's birthday?
Tycho Brahe's birthday is December 14. He was born on December 14, 1546 in Knutstorp Castle, Sweden.
How old was Tycho Brahe when he died?
Tycho Brahe died on October 24, 1601, aged 54.
Who shares a birthday with Tycho Brahe?
Famous people who share Tycho Brahe's December 14 birthday include Dilma Rousseff, George VI, Nostradamus, Ebrahim Raisi and Vanessa Hudgens.

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Reviewed by the Who Shares My Birthday editorial team.

Last reviewed: October 2026