Overview
Tycho Brahe was an Astronomer and Scholar.
Life and dates
Attested activity
- AD 1590 萬曆十八年Dated from the passage context · Draft History of Qing 47, passage 189
- AD 1573 to AD 1620 明萬曆間Dated from the passage context · Draft History of Qing 47, passages 182-188, 192
Origins and identity
- Westerner 西人Directly stated · Draft History of Qing 47, passage 182
Career and standing
- astronomer 西人測星者Strongly inferred · Draft History of Qing 47, passages 182, 192
Learning and skills
- Skill planetary observation 測土星 · Level used-as-authorityDirectly stated · Draft History of Qing 47, passages 182, 192
Events and relationships
- Derived Saturn deferent and epicycle radii, eccentricity, and apogeeAD 1590 萬曆十八年 · Astronomical computation · ObserverDirectly stated · Draft History of Qing 47, passages 188-189
- Measured Saturn at three oppositionsAD 1573 to AD 1620 明萬曆間 · Astronomical observation · ObserverDirectly stated · Draft History of Qing 47, passages 182-187
- Measured Saturn secondary deferent radius as 1,042,600 per 10,000,000AD 1573 to AD 1620 明萬曆間 · Astronomical observation · ObserverDirectly stated · Draft History of Qing 47, passage 192
References in the histories
No matching passages.