AIP Calendar

Public Event

Day of Open Monuments

On the Day of Open Monuments, 14 September 2025, the AIP will open the Einstein Tower on the Telegrafenberg in Potsdam from 10 a.m. to 4 p.m. Members of the Großer Refraktor e.V. association will also open the Great Refractor, the fourth-largest refracting telescope in the world, and offer guided tours of the Telegrafenberg as well as explanations about the telescope.


Last update: 2. September 2025