5934 20221215181410.0 Pham, L.B.S. DART: the Royal Observatory of Belgium participates in a NASA planetary defence mission (EN/FR/NL) 2021 2021-11-22 NO Baland, R.-M. Noiset, G. Karatekin, Ö. Dehant, V. Van Hoolst, T. lebinhsan.pham@observatoire.be https://www.astro.oma.be/en/dart-the-royal-observatory-of-belgium-participates-in-a-nasa-planetary-defence-mission/ PRESSREL