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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Jun.-Sep.

26.-20.

Exhibition / The Library Hall

Refractions of Ice

What stories does the ice hold? In “Refractions of Ice”, art and ice core research melt together in a visual exploration of the deep ice and the climate memory of our planet.

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Sep.

04.-20.

For children, Golden Days /

Hunt for monsters in the night sky

Every day during the Golden Days Festival, from 4 to 20 September, the Round Tower invites children and adults on a monster hunt across the night sky, where the monsters hide among the constellations above us.

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Sep.

10.

Special event /

Astro Bar and strings on the top of the Round Tower

Enjoy a sunset over Copenhagen with a drink in hand and classical pop covers in your ears as the Round Tower invites you to a very special Astro Bar event on the observation platform.

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Sep.

17.

Concert /

(CANCELLED) Ida Duelund x Maya SB

Experience The Round Towers concert space surrealy transformed. Where jazz, experimentation, and visual art merge as Roskilde Festival–featured artist Ida Duelund and visual artist Maya SB take over the tower for a playful live reinterpretation of the album Sibo.

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Oct.-Jan.

02.-03.

Exhibition / The Library Hall

Light Echoes

Bringing together artists, curators, and astrophysicists, the exhibition explores how the connection of light and time shapes our understanding of cosmic phenomena—from the expansion of the Universe and the observation of distant galaxies to stellar explosions and gravitational lensing. Through four installations and a surrounding soundscape, scientific knowledge unfolds as an experiential field and an immersive experience rather than a fixed imagery.

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Oct.-Mar.

05.-31.

Astronomy / The Observatory

Look Through the Telescope

Join our amateur astronomers for a night of star gazing. During the winter months, the Observatory is open and manned every Tuesday and Wednesday evening from 18 to 21.

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Oct.

05.

Special event /

Award Ceremony for the Photography Competition

De bedste billeder er fundet. Til finalen på årets fotokonkurrence inviterer Rundetaarn til jurydebat, prisuddeling og en første præsentation af udstillingen med de udvalgte fotografier i Sneglegangen.

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Oct.

09.

Autumn Break, Culture Night, For children /

Culture Night with stargazing, winning photos and lighttrail

Finally, the newly restored Observatory is ready to welcome visitors, and the tower’s skilled astronomy guides are ready to take you on a journey into space. It is just one of the highlights of this…

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Oct.

11.

For children, Workshop /

Workshop: Make your own artwork with light and cyanotype

Explore the magic of light and take home beautiful works of art when the Round Tower opens its doors to a creative cyanotype workshop on the first Sunday of the autumn holidays.

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Oct.

12.-16.

Astronomy, Autumn Break, For children, Observatory /

See Saturn during the fall break

As a special treat, the Round Tower will open the newly restored Observatory every evening during the autumn holiday. Come and gaze at the night sky through the large telescope while our astronomers guide you through the wonders of the universe. With a little luck, you may even spot Saturn and its rings.

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Oct.

29.

Concert / The Library Hall

ROUND TOWER CLASSICS: NOVO Quartet

How does and echo of light sound? You may find out this evening, when NOVO Quartet, one of Europe’s leading young string quartets, visits the Round Tower to interpret the current exhibition through a very special performance that connects music and light.

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