![](/binaries/content/gallery/ul2/main-images/science/strw/oortbook_clip.png/oortbook_clip.png/d880x320)
Book Launch by author Piet van der Kruit
On 29 Augustus 2019 there will be a book presentation "Jan Hendrik Oort - Master of the Galactic System" by Piet van der Kruit in the Old Observatory - Sterrewachtlaan 11, 2311 GP Leiden.
On 29 Augustus 2019 there will be a book presentation "Jan Hendrik Oort - Master of the Galactic System" by Piet van der Kruit in the Old Observatory - Sterrewachtlaan 11, 2311 GP Leiden.