7914 20260205171919.0 CTALK-2026-0058 Vandewiere, Judith Student’s Understanding of the Celestial Sphere: a Qualitative Interview Study 2025 2025-07-01 NO De Cock, Mieke Sermeus, Jan GIREP-EPEC in Leiden (the Netherlands) judith.vandewiere@ksb-orb.be https://indi.to/qxfRV Contributed CTALKCONT