Source: wikibot/john-j-kavelaars
= John J. Kavelaars
{wiki=John_J._Kavelaars}
John J. Kavelaars is a Canadian astrophysicist known for his work in the fields of astronomy and astrophysics. He has made significant contributions to our understanding of various astronomical phenomena and has been involved in research related to cosmic rays, galaxy clusters, and dark matter, among other topics. Kavelaars is also associated with institutions like the National Research Council of Canada.