Tycho Brahe Planetarium Tycho Brahe Planetarium The Tycho Brahe Planetarium is located in Copenhagen, Denmark, at the southern end of Skt. Jørgens Sø. It is named after astronomer Tycho Brahe. It was designed by MAA Knud Munk and opened on November 1, 1989. The planetarium is built where the theater Saltlageret was previously located. The foundation stone was placed on February 22, 1988, and the planetarium opened on November 1, 1989. The financial basis for building the planetarium was a 50,000,000 DKK donation by Bodil and Helge Petersen to the Urania foundation, which administered the construction of the planetarium. In the Dome Theatre
Tycho Brahe "Rudolphine Tables". Also at the court in Prague was the mathematician Nicolaus Reimers (Ursus), with whom Tycho had previously corresponded, and who, like Tycho, had developed a geo-heliocentric planetary model, which Tycho considered to have been plagiarized from his own. Kepler had previously spoken highly of Ursus, but now found himself in the problematic position of being employed by Tycho and having to defend his employer against Ursus' accusations, even though he disagreed with both of their planetary models. In 1600, he finished the tract "Apologia pro Tychone contra Ursum" (defense of Tycho against Ursus). Kepler had great respect for