Tickets can be bought at Ticketkantoor. Tickets cost €4,- per lecture.

If the tickets to the lecture you want to visit are sold out, you can enter your contact details here to receive an e-mail if extra tickets become available. You can also sign up if you are interested in a tour of the Old Observatory.

The James Webb Space Telescope and the early universe

Prof. Dr. Mariska Kriek – 5 March 2022

Zooming in on black holes with a telescope the size of planet Earth

Prof. Dr. Huib Jan van Langevelde – 12 March 2022

The Gaia telescope: mapping 1 billion stars with 1 billion pixels

Dr. Jos de Bruijne – 19 March 2022

Telescopic research of the night sky

Dr. Huib Zuidervaart – 26 March 2022