6224 20230126164130.0 RADIOTV-2023-0023 Clette, Frédéric Matière Grise: Comment étudier le Soleil? 2022 2022-11-02 Interview and on-site video shooting: 9/9/2022, Journalist: Valentin Verthé STCE Bechet, Sabrina RTBF (TV podcast, Belgium) frederic.clette@observatoire.be https://www.facebook.com/MatiereGriseRTBF/videos/comment-%C3%A9tudier-le-soleil-/1205790686642386/ RADIOTV