Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A Danish astronomer (1546–1601) whose precise naked-eye observations of celestial bodies provided empirical data that influenced later astronomers, including Kepler, and contributed to the development of new cosmological models.