Tycho Brahe Planetarium space. The Tycho Brahe Planetarium is home to the largest lunar rock that can be seen outside the US. Weighing more than 200 grams, it was brought back to Earth by the crew on the Apollo 17 mission in 1972. There are also two smaller exhibitions. One about space technology and the other about Tycho Brahe. 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
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