* Jan65: Magnetic Fields in the Cosmos Jan Kuijpers retirement symposium: August 24-26, 2011
* Auger Radio Meeting 2009
* 13th Symposium on Astroparticle Physics in the Netherlands
* NAC 2010: 65th Dutch Astronomy Conference
* Auger NL Meeting 2010
Astrokalender
Sterrenkunde encyclopedie
Sterrenkunde Olympiade
NCA Strategic Plan 2020
Radboud Current Astronomy Picture
Astronomische Kring Nijmegen
