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Stan de Haas of Rijnlands Lyceum in Sassenheim has won the Dutch Astronomy Olympiad 2023. He gets to visit several telescopes of the Roque de los Muchachos Observatory on the Canary Island of La Palma. Dorus van den Broek of De Nieuwsteschool in Tilburg came in second. Dave Kroos of Walburg College in Zwijndrecht took third place.
The winners of the Dutch Astronomy Olympiad. From left to right: Dave Kroos (derde), Stan de Haas (eerste), Dorus van den Broek (tweede).

he Dutch Astronomy Olympiad is an annual competition for high school students interested in physics and astronomy. The Olympiad is alternately organized by one of the astronomical institutes of the universities of Amsterdam, Groningen, Leiden and Nijmegen. Those four institutes together form the Dutch Research School for Astronomy (NOVA).

This year's Dutch Astronomy Olympiad was organized by the astronomers of the Anton Pannekoek Institute for Astronomy at the University of Amsterdam. In April and May, all students from 5 havo and 5 and 6 vwo could download the preliminary round questions from On June 14, 15 and 16 there was a program for the best entrants with lectures, tutorials, guided tours, fun activities and of course with the final questions.

During the final days, participants received master classes from astronomers, went on field trips and visited a planetarium show at Artis. On June 16, the finals concluded with a 90-minute exam with the grand prize being a trip to La Palma. The second prize was a telescope, offered by sponsor Ganymedes in Amstelveen. All participants were also offered a free membership to the youth working group on behalf of one of the sponsors, the Royal Dutch Society for Weather and Astronomy.