De Nova Stella
Uses the stars absent parallax to place it beyond the Moon.
Follow Tycho Brahe through 7 dated historical records for Denmark.
A chronological timeline drawn from matching World History Database records.
Uses the stars absent parallax to place it beyond the Moon.
Observes a new star in Cassiopeia and records its changing brightness.
Creates a major centre for precise observations, instruments and scientific training.
Begins constructing Uraniborg as a dedicated astronomical research observatory.
Tycho Brahe uses parallax measurements to show that comets must lie beyond the Moon
Places the planets around the Sun while the Sun circles Earth.
Publishes a planetary model combining a stationary Earth with solar orbits.
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.