Q:.How tall is the Round Tower?
A: The tower is 34,8 m from the ground to the platform.

Q: Who built the Round Tower?
A: The Round Tower was built by Christian IV between 1637 and 1642

Q: Is it true that Christian IV was horseback riding to the top of the tower?
A: We don´t know. The only thing we can say for sure is that the Russian Czar Peter the Great took the trip to the top on horseback and his wife rode behind him in a two-wheeled carriage.

Q: What is the Round Tower?
A:The Round Tower is Europe’s oldest functioning astronomy observatory. Here university astronomers used to study the stars and planets. Today it is open to visitors, who are invited to peer through the huge telescope.

Q: How should one interpret the rebus on the facade of the tower?
A: The gilded inscription can be interpreted in the following way: Lead God, the right teaching and justice into the heart of the crowned King Christian IV, 1642. 1642 was the year when the tower was completed.

Q: Did Tycho Brahe work in the Round Tower’s observatory
A: No, Tycho Brahe left Denmark long before the construction of the Round Tower. But his pupil Longomontanus was assigned to organize the first observatory at the tower. His ideas for the organization were based on Tycho Brahe’s observatory Stjerneborg on the island Hven.

Q: How many rounds does one have to make climbing the Spiral Walk.
A: The Spiral Ramp leading to the top winds 7,5 turns round the hollow core of the tower

Q: Do the Round Tower have a lift
A: No, you have to walk all the way to the top

Q: Are there any toilets in the tower
A: Yes, three in he middle of the tower just before the entrance to the Library,
and one above the Library at the Bell Ringers Loft.

Q: Why does the Round Tower have a spiral walk?
A: The Round Tower’s spiral walk is unique in European architecture. One might wonder why Chr. IV and his architect chose such a complicated construction instead of a plain staircase. The answer is very simple, as the astronomers needed big, heavy instruments carried on wagons to the Observatory at the top of the tower.

Q: What is the round core in the middle?
A: The 209 m long spiral ramp winds itself 7,5 times round the core of the tower. The core is hollow, and once the astronomers used to study the stars from the bottom of the core which led directly to the sky.

Q: What’s the purpose of the tower today?
A: From the top of the Round Tower you can spot most of Copenhagen’s famous buildings and visit Europe’s oldest functioning observatory. Halfway up the tower there is an entrance to the Library Hall, which serves as a popular concert and gallery venue.

Q: How do you get access to the Trinity Church?
A: Even though you are able to gaze into the church trough a glass door in the tower, the entrance to the Trinity Church is situated outside the tower on Landemærket

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