7977 20260213165905.0 CTALK-2026-0070 Keppens, Willem Exploring the impact of scale comprehension on high school students’ explanations for astronomical phenomena. 2025 2025-07-01 NO De Cock, Mieke Van Dooren, Wim Van Winckel, Hans Sermeus, Jan GIREP 2025, Leiden, The Netherlands jan.sermeus@ksb-orb.be Contributed CTALKCONT