Rundetaarn (The Round Tower)
http://www.rundetaarn.dk/engelsk/observatorium/history.htmAstronomy in Denmark: Brahe, Roemer, Hertzsprung.
Submitted in section: Astronomy: History: Rundetaarn (The Round Tower)
Astronomy in Denmark: Brahe, Roemer, Hertzsprung.
Submitted in section: Astronomy: History: Rundetaarn (The Round Tower)