Open today from 10-21
The observatory 18-21
Feb.-Jan.
06.-03.
Exhibition / The Library Hall

Ole Rømer and the Great Discovery

Experience the tower’s historical introductory exhibition, which tells the story of the discovery of the speed of light, the person behind it, and Rømer’s connection to the Round Tower.

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Oct.-Jan.
02.-03.
Exhibition / The Library Hall

Light Echoes

Can the past and the present coexist? How does light shape our understanding of time? Where does the known end, and where does the unknown begin? And what happens when artists and scientists explore this boundary together?

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Oct.-Mar.
05.-31.
Astronomy / The Observatory

Look Through the Telescope

Get closer to both the heavens and history and try looking through the telescope every Monday and Tuesday during the winter season.

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Oct.-Dec.
07.-31.
For children / The Spiral Ramp

In Ole Rømer’s footsteps

Go hunting for celestial objects and astronomical instruments in the winding Ramp, and help Ole Rømer make his great discovery.

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Dec.
01.
Astronomy /

Astronomy, beer and quiz

Kick off December with a cosy evening of astronomy, quiz and beer as the Astronomy on Tap community comes to the Round Tower. The Observatory at the top of the tower will also be open, offering the chance to catch a glimpse of Saturn.

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Dec.
11.
Concert / The Spiral Ramp

Layered Voices – Choir in Historic Surroundings

Experience the Round Tower’s iconic Spiral Ramp in a whole new way, as its unique architecture merges with live choral singing. The event is included in the standard admission price.Experience the Round Tower’s iconic Spiral Ramp in a whole new way, as its unique architecture merges with live choral singing. The event is included in the standard admission price.

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Dec.
13.
Concert /

Christmas Melodies at the Round Tower: Advent Concert with the chamber choir Richters Skala

Celebrate the light on St Lucia’s Day as the chamber choir Richters Skala fills the Round Tower’s beautiful, historic Library Hall with atmospheric choral music. Look forward to a special Advent concert featuring Nordic and international Christmas classics, musical interpretations of light and the stories of Christmas – as well as communal singing, with everyone invited to join in.

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Dec.
21.
Concert /

The Hesitation of Light – a concert performance in the historic Spiral Ramp

On the shortest day of the year, when daylight reaches its minimum, experience the hesitation of light interpreted in a musical performance by artists Sonja Strange and Barbara Skovmand.

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