30 Years of Pale Blue Dot - 14 February 2020, Kaiserzaal, Old Observatory - The Pale Blue Dot Symposium is an event to celebrate the 30th anniversary of the iconic picture showing the Earth as a tiny speck in the vastness of space and to discuss its impact on humankind. At the end of the symposium, the brand new exhibition, 'Living in the shadow of radio telescopes and the Drake Equation', will be officially opened.
January is the final month of our temporary exhibition 'Above and Beyond: Making Sense of the Universe for 100 Years'. You can visit every weekend until Jauary 26th.
Starting April 13 a brand new exhibition is open for visit, titled 'Above and Beyond: Making Sense of the Universe for 100 Years
This Saturday will be the first Kaiser Spring Lecture of this year! - A series of public lectures on Astronomy in the Old Observatory.
On Sunday 28 October, the annual open day of the Old Observatory in Leiden takes place. During this day everyone can visit the Old Observatory for free and enjoy activities in this historic building.
On 16 May the first International Day of Light was celebrated all around the globe. Initiated by UNESCO, organisations in 87 different countries set up a total of more than 600 events to embrace the vital role of light and related technologies in science. In the Old Observatory in Leiden visitors could learn more about light by doing their own experiments.
After a period of maintenance, the 'Photographer' telescope is available once again for visits at the Old Observatory.
The program for the Kaiser Spring Lectures 2018 has been published! Visit the Old Observatory in March for four amazing lectures about the Space Age.
For the first time more than half century, one of oldest telescopes at Leiden Observatory is getting a major improvement.