Brahe, Tycho

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Brahe, Tycho Gender: M
born on 14 December 1546 Jul.Cal. (24 Dec 1546 greg.) at 10:47 (= 10:47 AM )
Place Knutstorp, Denmark, 55n5846, 13e0805
Timezone LMT m13e0805 (is local mean time)
Data source
Quoted BC/BR
Rodden Rating AA
Collector: Rodden
Astrology data s_su.18.gif s_capcol.18.gif 02°07' s_mo.18.gif s_vircol.18.gif 23°12 Asc.s_aqucol.18.gif 16°28'

Tycho Brahe


Danish astronomer and scientist who originated the technique of systematic observations, and disproved the concept that no change could occur in the heavens. Some of his work allowed his assistant and successor, Johannes Kepler, to formulate the laws of planetary motion. His work also provided important links between the theories of Copernicus and those of Sir Isaac Newton.

During a youthful duel with a fellow student in December 1566, he lost part of his nose, leaving only the tip intact. Brahe later wore a prosthesis, a silver-copper shell painted to match his skin. He cast astrological charts professionally and left some measure of astrological writings.

Brahe was the first born of twins; the second twin was still-born. His younger sister, Sophias, became a noted astrologer and he praised her in one of his manuscripts that if she had been born male, she probably would have achieved notoriety.

To acknowledge his contributions to the world of science, in 1576 Frederick II, the King of Denmark, granted Brahe a pension and an island between Sweden and Denmark on which Brahe built a lavish home and observatory.

He died in Prague of an infection caused by a burst bladder. He had neglected to relieve himself before a banquet given on 10/13/1601 by the Baron of Rosenberg, and good manners prevented him from leaving the table. Eleven days later, on 10/24/1601, he died. His artificial nose was missing when the body was exhumed in 1901, probably stolen by vandals, but a bright green stain caused by copper salts could be seen on the front of the skull. His body lies in the Teyn Church, Prague.

Link to Wikipedia biography


  • business associate/partner relationship with Kepler, Johannes (born 27 December 1571 Jul.Cal. (6 Jan 1572 greg.))
  • business associate/partner relationship with Leowitz, Cyprian (born 9 July 1524 Jul.Cal. (19 July 1524 greg.))
  • sibling relationship with Brahe, Sophia (born 24 August 1559 Jul.Cal. (3 Sep 1559 greg.))


  • Health : Change in Appearance December 1566 (Lost part of his nose in a duel)
    chart Placidus Equal_H.
  • Work : Begin Major Project 1576 (King of Denmark granted money for observatory)
  • Death by Disease 24 October 1601 (greg.) at 12:15 AM in Praga (Burst bladder 11 days prior; age 54)
    chart Placidus Equal_H.

Source Notes

Eshelman quotes Sloane Mms No.1638, "from a copy of his own chart" (December 14 OS).

Biography: J.L.E. Dreyer, "Tycho Brahe," Adams and Chs Black, 1890, gives a footnote on p.12, "In several places in his writings, Tycho alludes to the 13th December as his birthday, but this is astronomically speaking, counting the days from noon, as he was born between 9:00 and 10:00 o'clock in the morning of the 14th.

Paul Mahler Dam of Denmark writes that Brahe himself corrected his birth time to 10:48 AM, MC 15 Sag 29, ASC 17 Aqu 02"


  • Traits : Mind : Exceptional mind
  • Diagnoses : Body Part Problems : Bladder (Bladder burst, terminal)
  • Diagnoses : Body Part Problems : Accident/Injury (Lost part of nose in duel)
  • Family : Childhood : Sibling circumstances (His twin was still-born, younger sister noted astrologer)
  • Personal : Birth : Twin, triplet, etc. (Twins)
  • Vocation : Occult Fields : Astrologer (Pro)
  • Vocation : Science : Astronomy
  • Notable : Famous : Historic figure (Astronomer-astrologer)
  • Notable : Famous : Top 5% of Profession
  • Notable : Book Collection : American Book